chore(deps): update dependency gts to v6

Author: renovate[bot]

package-lock.json

@@ -29,7 +29,7 @@
     "@types/is-valid-path": "0.1.2",
     "@types/lodash": "4.17.16",
     "@types/validator": "13.15.0",
-    "gts": "5.3.1",
+    "gts": "6.0.2",
     "jest": "29.7.0",
     "ts-jest": "29.3.4",
     "typescript": "5.8.3"