Infrastructure: Bump prettier package from 2.1.2 to 2.2.1 (pull #1637)

Bumps [prettier](https://github.com/prettier/prettier) from 2.1.2 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@2.1.2...2.2.1)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -42,7 +42,7 @@
     "husky": "^4.3.0",
     "lint-staged": "^10.5.1",
     "npm-merge-driver": "^2.3.6",
-    "prettier": "^2.1.2",
+    "prettier": "^2.2.1",
     "run-node": "^2.0.0",
     "selenium-webdriver": "^4.0.0-alpha.7",
     "stylelint": "^13.7.2",