Bump prettier from 1.17.1 to 1.18.0 (#5644)

Bumps [prettier](https://github.com/prettier/prettier) from 1.17.1 to 1.18.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/1.17.1...1.18.0)

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

package.json

@@ -67,7 +67,7 @@
     "lint-staged": "8.1.7",
     "mongodb-runner": "4.3.2",
     "nyc": "14.1.1",
-    "prettier": "1.17.1",
+    "prettier": "1.18.0",
     "supports-color": "6.0.0"
   },
   "scripts": {