chore: fix README.md vulnerable target="_blank" links (vuejs#7689)

* README: add rel noopener and noreferrer

Add to all  "_blank" links rel noopener and noreferrer to prevent vulnerability

* Update README.md

Author: Dennis

README.md

@@ -1,4 +1,4 @@
-<p align="center"><a href="https://vuejs.org" target="_blank"><img width="100" src="https://vuejs.org/images/logo.png" alt="Vue logo"></a></p>
+<p align="center"><a href="https://vuejs.org" target="_blank" rel="noopener noreferrer"><img width="100" src="https://vuejs.org/images/logo.png" alt="Vue logo"></a></p>
 
 <p align="center">
   <a href="https://circleci.com/gh/vuejs/vue/tree/dev"><img src="https://img.shields.io/circleci/project/vuejs/vue/dev.svg" alt="Build Status"></a>
@@ -29,17 +29,17 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
   <tbody>
     <tr>
       <td align="center" valign="middle">
-        <a href="https://stdlib.com" target="_blank">
+        <a href="https://stdlib.com" target="_blank" rel="noopener noreferrer">
           <img width="222px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/stdlib.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://www.bitsrc.io/?utm_source=vue&utm_medium=vue&utm_campaign=vue&utm_term=vue&utm_content=vue" target="_blank">
+        <a href="https://www.bitsrc.io/?utm_source=vue&utm_medium=vue&utm_campaign=vue&utm_term=vue&utm_content=vue" target="_blank" rel="noopener noreferrer">
           <img height="90px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/bit-wide.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://xiaozhuanlan.com" target="_blank">
+        <a href="https://xiaozhuanlan.com" target="_blank" rel="noopener noreferrer">
           <img width="222px" src="https://raw.githubusercontent.com/vuejs/cn.vuejs.org/master/themes/vue/source/images/xiaozhuanlan.png">
         </a>
       </td>
@@ -57,17 +57,17 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
   <tbody>
     <tr>
       <td align="center" valign="middle">
-        <a href="http://tooltwist.com/" target="_blank">
+        <a href="http://tooltwist.com/" target="_blank" rel="noopener noreferrer">
           <img width="222px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/tooltwist.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://vueschool.io/?utm_source=Vuejs.org&utm_medium=Banner&utm_campaign=Sponsored%20Banner&utm_content=V1" target="_blank">
+        <a href="https://vueschool.io/?utm_source=Vuejs.org&utm_medium=Banner&utm_campaign=Sponsored%20Banner&utm_content=V1" target="_blank" rel="noopener noreferrer">
           <img width="222px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/vueschool.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://www.datacamp.com/careers?utm_source=vuejs&utm_medium=sidebar" target="_blank">
+        <a href="https://www.datacamp.com/careers?utm_source=vuejs&utm_medium=sidebar" target="_blank" rel="noopener noreferrer">
           <img width="222px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/datacamp.png">
         </a>
       </td>
@@ -83,76 +83,76 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
   <tbody>
     <tr>
       <td align="center" valign="middle">
-        <a href="https://laravel.com" target="_blank">
+        <a href="https://laravel.com" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/laravel.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://htmlburger.com" target="_blank">
+        <a href="https://htmlburger.com" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/htmlburger.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://chaitin.cn/en/" target="_blank">
+        <a href="https://chaitin.cn/en/" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/chaitin.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://anymod.com" target="_blank">
+        <a href="https://anymod.com" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/anymod.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://www.frontenddeveloperlove.com/" target="_blank">
+        <a href="https://www.frontenddeveloperlove.com/" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/frontend-love.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://onsen.io/vue/" target="_blank">
+        <a href="https://onsen.io/vue/" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/onsen-ui.png">
         </a>
       </td>
     </tr><tr></tr>
     <tr>
       <td align="center" valign="middle">
-        <a href="https://vuetifyjs.com" target="_blank">
+        <a href="https://vuetifyjs.com" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/vuetify.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://neds.com.au/" target="_blank">
+        <a href="https://neds.com.au/" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/neds.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://hackr.io/tutorials/learn-vue-js" target="_blank">
+        <a href="https://hackr.io/tutorials/learn-vue-js" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/hackr-io.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://icons8.com/" target="_blank">
+        <a href="https://icons8.com/" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/icons8.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://vuejobs.com/?ref=vuejs" target="_blank">
+        <a href="https://vuejobs.com/?ref=vuejs" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/vuejobs.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://leanpub.com/vuejs2" target="_blank">
+        <a href="https://leanpub.com/vuejs2" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/tmvuejs2.png">
         </a>
       </td>
     </tr><tr></tr>
     <tr>
       <td align="center" valign="middle">
-        <a href="https://www.bmqb.com/jobs" target="_blank">
+        <a href="https://www.bmqb.com/jobs" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/bmqb.png">
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://codepilot.ai" target="_blank">
+        <a href="https://codepilot.ai" target="_blank" rel="noopener noreferrer">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/codepilot.png">
         </a>
       </td>
@@ -165,16 +165,16 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
 
 <h4 align="center">Platinum</h4>
 
-<a href="https://opencollective.com/vuejs/tiers/platinum-sponsors/0/website" target="_blank"><img src="https://opencollective.com/vuejs/tiers/platinum-sponsors/0/avatar.svg"></a>
-<a href="https://opencollective.com/vuejs/tiers/platinum-sponsors/1/website" target="_blank"><img src="https://opencollective.com/vuejs/tiers/platinum-sponsors/1/avatar.svg"></a>
+<a href="https://opencollective.com/vuejs/tiers/platinum-sponsors/0/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/platinum-sponsors/0/avatar.svg"></a>
+<a href="https://opencollective.com/vuejs/tiers/platinum-sponsors/1/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/platinum-sponsors/1/avatar.svg"></a>
 
 <h4 align="center">Gold</h4>
 
-<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/0/website" target="_blank"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/0/avatar.svg" height="60px"></a>
-<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/1/website" target="_blank"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/1/avatar.svg" height="60px"></a>
-<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/2/website" target="_blank"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/2/avatar.svg" height="60px"></a>
-<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/3/website" target="_blank"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/3/avatar.svg" height="60px"></a>
-<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/4/website" target="_blank"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/4/avatar.svg" height="60px"></a>
+<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/0/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/0/avatar.svg" height="60px"></a>
+<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/1/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/1/avatar.svg" height="60px"></a>
+<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/2/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/2/avatar.svg" height="60px"></a>
+<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/3/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/3/avatar.svg" height="60px"></a>
+<a href="https://opencollective.com/vuejs/tiers/gold-sponsors/4/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/gold-sponsors/4/avatar.svg" height="60px"></a>
 
 ---