build(deps-dev): bump @eslint/css from 0.14.1 to 1.0.0

Bumps [@eslint/css](https://github.com/eslint/css) from 0.14.1 to 1.0.0.
- [Release notes](https://github.com/eslint/css/releases)
- [Changelog](https://github.com/eslint/css/blob/main/CHANGELOG.md)
- [Commits](eslint/css@css-v0.14.1...css-v1.0.0)

---
updated-dependencies:
- dependency-name: "@eslint/css"
  dependency-version: 1.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -26,7 +26,7 @@
     "@babel/eslint-parser": "^7.28.6",
     "@babel/plugin-proposal-decorators": "^7.29.0",
     "@babel/plugin-transform-class-properties": "^7.28.6",
-    "@eslint/css": "^0.14.1",
+    "@eslint/css": "^1.0.0",
     "@eslint/js": "^9.39.2",
     "@eslint/json": "^1.2.0",
     "@eslint/markdown": "^7.5.1",