chore(deps): update dependency node-fetch to v2.6.7 [security]

Author: renovate[bot]

.build/package.json

@@ -28,7 +28,7 @@
     "jsonpath": "1.1.1",
     "mini-css-extract-plugin": "2.2.1",
     "mkdirp": "1.0.4",
-    "node-fetch": "2.6.1",
+    "node-fetch": "2.6.7",
     "node-wget": "0.4.3",
     "npm-run-all": "4.1.5",
     "null-loader": "4.0.1",