chore: bump @eslint/js from 9.20.0 to 9.21.0

Bumps [@eslint/js](https://github.com/eslint/eslint/tree/HEAD/packages/js) from 9.20.0 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/commits/v9.21.0/packages/js)

---
updated-dependencies:
- dependency-name: "@eslint/js"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -35,7 +35,7 @@
     },
     "devDependencies": {
         "@babel/preset-env": "^7.26.8",
-        "@eslint/js": "^9.19.0",
+        "@eslint/js": "^9.21.0",
         "@jest/globals": "^29.7.0",
         "@stoplight/types": "^14.1.1",
         "aws-sdk-client-mock": "^4.1.0",