[Security] Bump node-fetch from 2.6.0 to 2.6.1

Bumps [node-fetch](https://github.com/bitinn/node-fetch) from 2.6.0 to 2.6.1. **This update includes a security fix.**
- [Release notes](https://github.com/bitinn/node-fetch/releases)
- [Changelog](https://github.com/node-fetch/node-fetch/blob/master/docs/CHANGELOG.md)
- [Commits](node-fetch/node-fetch@v2.6.0...v2.6.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -95,7 +95,7 @@
     "lint-staged": "^9.2.4",
     "lodash.noop": "^3.0.1",
     "minimist": "^1.2.0",
-    "node-fetch": "^2.6.0",
+    "node-fetch": "^2.6.1",
     "object-hash": "^1.3.1",
     "prettier": "^1.18.2",
     "react-docgen-typescript-loader": "^3.1.1",