Bump eslint in /graylog2-web-interface/packages/eslint-config-graylog (…

…#10970)

Bumps [eslint](https://github.com/eslint/eslint) from 7.29.0 to 7.30.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v7.29.0...v7.30.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

graylog2-web-interface/packages/eslint-config-graylog/package.json

@@ -16,7 +16,7 @@
     "@babel/eslint-parser": "7.13.14",
     "@typescript-eslint/parser": "4.26.1",
     "@typescript-eslint/eslint-plugin": "4.26.1",
-    "eslint": "7.29.0",
+    "eslint": "7.30.0",
     "eslint-config-airbnb": "18.2.0",
     "eslint-import-resolver-webpack": "0.13.1",
     "eslint-plugin-compat": "3.9.0",