chore(deps-dev): bump @commitlint/config-conventional

Bumps [@commitlint/config-conventional](https://github.com/conventional-changelog/commitlint/tree/HEAD/@commitlint/config-conventional) from 20.5.3 to 21.0.0.
- [Release notes](https://github.com/conventional-changelog/commitlint/releases)
- [Changelog](https://github.com/conventional-changelog/commitlint/blob/master/@commitlint/config-conventional/CHANGELOG.md)
- [Commits](https://github.com/conventional-changelog/commitlint/commits/v21.0.0/@commitlint/config-conventional)

---
updated-dependencies:
- dependency-name: "@commitlint/config-conventional"
  dependency-version: 21.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -56,7 +56,7 @@
   },
   "devDependencies": {
     "@commitlint/cli": "^20.0.0",
-    "@commitlint/config-conventional": "^20.0.0",
+    "@commitlint/config-conventional": "^21.0.0",
     "@types/node": "^25.0.0",
     "@typescript-eslint/eslint-plugin": "^8.38.0",
     "@typescript-eslint/parser": "^8.38.0",