chore(deps): update devDependencies to prettier v2 and stylelint v13

Author: clarkdo

Diff for: packages/cna-template/template/_.prettierrc

@@ -1,7 +1,4 @@
 {
   "semi": false,
-  <%_ if (eslint) { _%>
-  "arrowParens": "always",
-  <%_ } _%>
   "singleQuote": true
 }

Diff for: packages/cna-template/template/nuxt/package.json

@@ -32,10 +32,10 @@
     "eslint-plugin-nuxt": ">=0.5.2",
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-prettier": "^3.1.3",
-    "prettier": "^1.19.1",
+    "prettier": "^2.0.5",
     "husky": "^4.2.5",
     "lint-staged": "^10.1.7",
     "@nuxtjs/stylelint-module": "^3.2.2",
-    "stylelint": "^10.1.0"
+    "stylelint": "^13.3.3"
   }
 }

Diff for: packages/create-nuxt-app/test/snapshots/index.test.js.md

@@ -1030,7 +1030,7 @@ Generated by [AVA](https://avajs.dev).
       devDependencies: {
         'eslint-config-prettier': '^6.11.0',
         'eslint-plugin-prettier': '^3.1.3',
-        prettier: '^1.19.1',
+        prettier: '^2.0.5',
       },
       private: true,
       scripts: {
@@ -1130,7 +1130,7 @@ Generated by [AVA](https://avajs.dev).
       },
       devDependencies: {
         '@nuxtjs/stylelint-module': '^3.2.2',
-        stylelint: '^10.1.0',
+        stylelint: '^13.3.3',
       },
       private: true,
       scripts: {