Upgrade TypeScript to ^6.0.3 (#214)

Author: huntie

template/package.json

@@ -33,7 +33,7 @@
     "jest": "^29.6.3",
     "prettier": "2.8.8",
     "react-test-renderer": "19.2.3",
-    "typescript": "^5.8.3"
+    "typescript": "^6.0.3"
   },
   "engines": {
     "node": ">= 22.11.0"