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](eslint/eslint@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

@@ -63,7 +63,7 @@
     "@typescript-eslint/eslint-plugin": "^8.24.0",
     "@typescript-eslint/parser": "^8.24.0",
     "autoprefixer": "^10.4.20",
-    "eslint": "^9.20.1",
+    "eslint": "^9.21.0",
     "eslint-config-next": "^15.1.6",
     "pg": "^8.13.1",
     "postcss": "^8.4.41",