Bump eslint from 7.28.0 to 7.30.0

Bumps [eslint](https://github.com/eslint/eslint) from 7.28.0 to 7.30.0.
- [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/v7.28.0...v7.30.0)

---
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

@@ -31,7 +31,7 @@
     "@types/react": "^17.0.11",
     "@types/react-calendar": "^3.4.0",
     "@types/uuid": "^8.3.0",
-    "eslint": "^7.28.0",
+    "eslint": "^7.30.0",
     "eslint-config-next": "^11.0.0",
     "jest": "^26.6.3",
     "postcss": "^8.3.4",