chore(deps): update dependency prettier to v2.8.1

Author: renovate[bot]

package-lock.json

@@ -125,7 +125,7 @@
     "html-webpack-plugin": "5.5.0",
     "loader.js": "4.7.0",
     "npm-run-all": "4.1.5",
-    "prettier": "2.7.1",
+    "prettier": "2.8.1",
     "qunit": "2.19.3",
     "qunit-dom": "2.0.0",
     "release-it": "^15.5.1",