docs: update sponsor image src

Author: PanJiaChen

README.md

@@ -36,7 +36,7 @@ English | [简体中文](./README.zh-CN.md) | [日本語](./README.ja.md) | [Spa
     <tr>
       <td align="center" valign="middle">
        <a href="https://www.vform666.com/" title="variantForm" target="_blank" style="padding-right: 20px;">
-        <img height="200px" style="padding-right: 20px;" src="https://github.com/PanJiaChen23/image/blob/main/vue%E8%B5%9E%E5%8A%A92.png" title="variantForm">
+        <img height="200px" style="padding-right: 20px;" src="https://s3.bmp.ovh/imgs/2022/04/11/3379c1c1cf2e3228.png" title="variantForm">
         </a>
       </td>
     </tr>

README.zh-CN.md

@@ -36,7 +36,7 @@
     <tr>
       <td align="center" valign="middle">
        <a href="https://www.vform666.com/" title="variantForm" target="_blank" style="padding-right: 20px;">
-        <img height="200px" style="padding-right: 20px;" src="https://github.com/PanJiaChen23/image/blob/main/vue%E8%B5%9E%E5%8A%A92.png" title="variantForm">
+        <img height="200px" style="padding-right: 20px;" src="https://s3.bmp.ovh/imgs/2022/04/11/3379c1c1cf2e3228.png" title="variantForm">
         </a>
       </td>
     </tr>