[upd] npm: Bump eslint in /searx/static/themes/simple

Bumps [eslint](https://github.com/eslint/eslint) from 8.57.0 to 9.0.0.
- [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/v8.57.0...v9.0.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "eslint": "^8.50.0",
+    "eslint": "^9.0.0",
     "pyright": "^1.1.329"
   },
   "scripts": {

searx/static/themes/simple/package.json

@@ -1,6 +1,6 @@
 {
   "devDependencies": {
-    "eslint": "^8.18.0",
+    "eslint": "^9.0.0",
     "grunt": "~1.6.1",
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-cssmin": "^5.0.0",