Bump prettier from 1.19.1 to 2.0.5

Bumps [prettier](https://github.com/prettier/prettier) from 1.19.1 to 2.0.5.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@1.19.1...2.0.5)

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

package.json

@@ -50,7 +50,7 @@
     "@types/prop-types": "^15.7.1",
     "coveralls": "^3.0.2",
     "jest": "^25.1.0",
-    "prettier": "^1.14.3",
+    "prettier": "^2.0.5",
     "rimraf": "^3.0.0",
     "ts-jest": "^25.1.0",
     "ts-node": "^8.3.0",