Bump gts from 5.3.1 to 6.0.2

Bumps [gts](https://github.com/google/gts) from 5.3.1 to 6.0.2.
- [Release notes](https://github.com/google/gts/releases)
- [Changelog](https://github.com/google/gts/blob/main/CHANGELOG.md)
- [Commits](google/gts@v5.3.1...v6.0.2)

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

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

package.json

@@ -86,7 +86,7 @@
     "eslint-plugin-etc": "^2.0.3",
     "eslint-plugin-import": "^2.31.0",
     "eslint-plugin-prettier": "^5.2.1",
-    "gts": "^5.3.1",
+    "gts": "^6.0.2",
     "immutable": "^4.3.7",
     "jquery": "^3.7.1",
     "jquery-ui": "^1.14.0",