Bump prettier from 1.19.1 to 2.2.1

Bumps [prettier](https://github.com/prettier/prettier) from 1.19.1 to 2.2.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@1.19.1...2.2.1)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -67,7 +67,7 @@
     "jest": "^24.0.0",
     "lint-staged": "^10.5.3",
     "pino-pretty": "^3.5.0",
-    "prettier": "^1.19.1",
+    "prettier": "^2.2.1",
     "prettier-config-standard": "^1.0.1"
   },
   "lint-staged": {