Update dependency prettier to v2.8.4

Author: renovate[bot]

package.json

@@ -20,7 +20,7 @@
     "husky": "7.0.4",
     "lerna": "4.0.0",
     "lint-staged": "12.1.2",
-    "prettier": "2.5.0",
+    "prettier": "2.8.4",
     "typescript": "4.5.2"
   }
 }