Bump eslint from 9.20.1 to 9.21.0

Bumps [eslint](https://github.com/eslint/eslint) from 9.20.1 to 9.21.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v9.20.1...v9.21.0)

---
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 @@
     "@eslint/js": "9.20.0",
     "@stylistic/eslint-plugin": "4.0.1",
     "@vercel/ncc": "0.38.3",
-    "eslint": "9.20.1",
+    "eslint": "9.21.0",
     "eslint-plugin-n": "17.15.1",
     "eslint-plugin-unicorn": "57.0.0"
   }