Bump eslint from 7.27.0 to 7.28.0

Bumps [eslint](https://github.com/eslint/eslint) from 7.27.0 to 7.28.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v7.27.0...v7.28.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -28,7 +28,7 @@
     "xmldom": "^0.6.0"
   },
   "devDependencies": {
-    "eslint": "^7.27.0",
+    "eslint": "^7.28.0",
     "jest": "^27.0.4"
   }
 }