Update dependency @types/node-fetch to v2.6.12

Author: renovate[bot]

package-lock.json

@@ -14,7 +14,7 @@
     "@types/express": "5.0.0",
     "@types/mocha": "10.0.9",
     "@types/node": "22.9.0",
-    "@types/node-fetch": "2.6.11",
+    "@types/node-fetch": "2.6.12",
     "@types/react": "18.3.12",
     "@types/react-dom": "18.3.1",
     "@typescript-eslint/eslint-plugin": "8.13.0",