chore(deps-dev): bump eslint from 9.20.1 to 9.21.0

Bumps [eslint](https://github.com/eslint/eslint) from 9.20.1 to 9.21.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v9.20.1...v9.21.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -62,7 +62,7 @@
     "@types/mdast": "^4.0.4",
     "@types/turndown": "^5.0.5",
     "@unocss/eslint-config": "^66.0.0",
-    "eslint": "<9.21.0",
+    "eslint": "<9.22.0",
     "eslint-plugin-format": "^1.0.1",
     "eslint-plugin-svelte": "^2.46.1",
     "svelte-check": "^4.1.4"