Update dependency eslint-plugin-prettier to v4

Author: renovate[bot]

package.json

@@ -67,7 +67,7 @@
     "eslint-config-prettier": "8.5.0",
     "eslint-plugin-ember": "10.6.1",
     "eslint-plugin-node": "11.1.0",
-    "eslint-plugin-prettier": "3.4.1",
+    "eslint-plugin-prettier": "4.2.1",
     "eslint-plugin-qunit": "6.2.0",
     "loader.js": "4.7.0",
     "npm-run-all": "4.1.5",

yarn.lock

@@ -5790,10 +5790,10 @@ [email protected]:
     resolve "^1.10.1"
     semver "^6.1.0"
 
-eslint-plugin-prettier@3.4.1:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-3.4.1.tgz#e9ddb200efb6f3d05ffe83b1665a716af4a387e5"
-  integrity sha512-htg25EUYUeIhKHXjOinK4BgCcDwtLHjqaxCDsMy5nbnUMkKFvIhMVCp+5GFUXQ4Nr8lBsPqtGAqBenbpFqAA2g==
+eslint-plugin-prettier@4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-4.2.1.tgz#651cbb88b1dab98bfd42f017a12fa6b2d993f94b"
+  integrity sha512-f/0rXLXUt0oFYs8ra4w49wYZBG5GKZpAYsJSm6rnYL5uVDjd+zowwMwVZHnAjf4edNrKpCDYfXDgmRE/Ak7QyQ==
   dependencies:
     prettier-linter-helpers "^1.0.0"