Bump @eslint/js from 9.39.2 to 10.0.1 in /src/playground

Bumps [@eslint/js](https://github.com/eslint/eslint/tree/HEAD/packages/js) from 9.39.2 to 10.0.1.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](https://github.com/eslint/eslint/commits/HEAD/packages/js)

---
updated-dependencies:
- dependency-name: "@eslint/js"
  dependency-version: 10.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/playground/package-lock.json

@@ -12,7 +12,7 @@
   "aiKey": "c195e410-2651-4cea-a18e-8e576714eada",
   "private": true,
   "devDependencies": {
-    "@eslint/js": "9.39.2",
+    "@eslint/js": "10.0.1",
     "@types/node": "25.2.2",
     "@types/pako": "2.0.4",
     "@types/react": "19.2.14",