chore(deps): update dependency @types/node-fetch to v2.6.11

Author: renovate[bot]

package.json

@@ -40,7 +40,7 @@
     "@types/jest": "26.0.20",
     "@types/luxon": "1.26.3",
     "@types/node": "14.14.31",
-    "@types/node-fetch": "2.5.8",
+    "@types/node-fetch": "2.6.11",
     "@typescript-eslint/eslint-plugin": "4.15.1",
     "@typescript-eslint/parser": "4.15.1",
     "@vercel/ncc": "0.25.1",