build(deps-dev): bump @typescript-eslint/eslint-plugin (#6)

Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 2.29.0 to 2.30.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v2.30.0/packages/eslint-plugin)

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

@@ -52,7 +52,7 @@
     "@types/jest": "^25.2.1",
     "@types/mock-fs": "^4.10.0",
     "@types/node": "^13.13.4",
-    "@typescript-eslint/eslint-plugin": "^2.29.0",
+    "@typescript-eslint/eslint-plugin": "^2.30.0",
     "@typescript-eslint/parser": "^2.30.0",
     "commitizen": "^4.0.4",
     "coveralls": "^3.1.0",