chore(deps): update dependency prettier to v2.8.4

Author: renovate[bot]

package.json

@@ -80,7 +80,7 @@
     "karma-jasmine": "3.3.1",
     "karma-jasmine-html-reporter": "1.5.4",
     "ng-packagr": "11.1.2",
-    "prettier": "2.0.5",
+    "prettier": "2.8.4",
     "pretty-quick": "2.0.1",
     "protractor": "7.0.0",
     "standard-version": "8.0.2",