chore(deps-dev): bump gts from 5.3.1 to 6.0.0

Bumps [gts](https://github.com/google/gts) from 5.3.1 to 6.0.0.
- [Release notes](https://github.com/google/gts/releases)
- [Changelog](https://github.com/google/gts/blob/main/CHANGELOG.md)
- [Commits](google/gts@v5.3.1...v6.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -16,7 +16,7 @@
     "@types/node": "^22.7.7",
     "concurrently": "^8.2.2",
     "eslint-plugin-n": "^17.10.2",
-    "gts": "^5.2.0",
+    "gts": "^6.0.0",
     "openapi-typescript": "7.4.1",
     "prettier": "3.3.3",
     "quicktype": "23.0.170",