Update dependency prettier to v2.8.8

Author: renovate[bot]

package.json

@@ -29,6 +29,6 @@
     "eslint-plugin-prettier": "3.3.1",
     "eslint-plugin-react": "7.23.2",
     "eslint-plugin-react-hooks": "4.2.0",
-    "prettier": "2.2.1"
+    "prettier": "2.8.8"
   }
 }