chore(deps-dev): bump prettier from 1.19.1 to 2.0.2 (#7)

Bumps [prettier](https://github.com/prettier/prettier) from 1.19.1 to 2.0.2.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@1.19.1...2.0.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -64,7 +64,7 @@
     "coveralls": "^3.0.9",
     "cross-env": "^6.0.3",
     "jest": "^24.9.0",
-    "prettier": "^1.19.1",
+    "prettier": "^2.0.2",
     "ts-jest": "^24.2.0",
     "ts-node": "^8.5.4",
     "tslint": "^6.1.0",