Bump @eslint/js from 9.17.0 to 9.18.0 in /src/playground

Bumps [@eslint/js](https://github.com/eslint/eslint/tree/HEAD/packages/js) from 9.17.0 to 9.18.0.
- [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/v9.18.0/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]>

src/playground/package.json

@@ -15,7 +15,7 @@
   "private": true,
   "devDependencies": {
     "@eslint/eslintrc": "^3.2.0",
-    "@eslint/js": "^9.17.0",
+    "@eslint/js": "^9.18.0",
     "@types/node": "^22.10.5",
     "@types/pako": "^2.0.3",
     "@types/react": "^19.0.5",