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](https://github.com/prettier/prettier/compare/1.19.1...2.0.5)

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

package.json

@@ -42,7 +42,7 @@
     "jest": "^24.9.0",
     "jest-circus": "^26.3.0",
     "js-yaml": "^3.13.1",
-    "prettier": "^1.19.1",
+    "prettier": "^2.0.5",
     "ts-jest": "^24.2.0",
     "typescript": "^3.9.7"
   }