Update prettier to version 2.3.0

Author: depfu[bot]

package.json

@@ -51,7 +51,7 @@
     "mocha": "^8.0.1",
     "nyc": "^15.0.0",
     "offline-github-changelog": "^2.0.0",
-    "prettier": "~2.2.0",
+    "prettier": "~2.3.0",
     "rollup": "^2.0.3",
     "rollup-plugin-commonjs": "^10.0.0",
     "rollup-plugin-json": "^4.0.0",