Add missing @types/node-fetch

Author: Peeja

package-lock.json

@@ -46,6 +46,7 @@
     "@cloudflare/workers-types": "^4.20231218.0",
     "@types/chai": "^5.0.0",
     "@types/mocha": "^10.0.9",
+    "@types/node-fetch": "^2.6.11",
     "@types/sinon": "^17.0.3",
     "@ucanto/principal": "^8.1.0",
     "@web3-storage/content-claims": "^5.0.0",