chore(deps): update dependency gts to v6

Author: renovate-bot

package-lock.json

@@ -52,7 +52,7 @@
     "@types/tmp": "0.2.6",
     "codecov": "^3.0.0",
     "deep-copy": "^1.4.2",
-    "gts": "^5.3.1",
+    "gts": "^6.0.0",
     "js-green-licenses": "^4.0.0",
     "linkinator": "^6.0.0",
     "mocha": "^10.0.0",