chore(deps): update dependency typescript to v6

Author: renovate[bot]

package-lock.json

@@ -49,7 +49,7 @@
     "mocha": "^11.0.0",
     "nyc": "^18.0.0",
     "prettier": "^3.1.0",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.0",
     "which": "^6.0.0"
   },
   "engines": {