Bump node-fetch from 2.3.0 to 2.6.1

Bumps [node-fetch](https://github.com/bitinn/node-fetch) from 2.3.0 to 2.6.1.
- [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@v2.3.0...v2.6.1)

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

Author: dependabot[bot]

package-lock.json

@@ -27,7 +27,7 @@
     "js-yaml": "^3.13.1",
     "keyv": "3.1.0",
     "license-compatibility-checker": "^0.3.4",
-    "node-fetch": "2.3.0",
+    "node-fetch": "2.6.1",
     "pg": "8.5.1",
     "rate-limit-redis": "2.1.0",
     "read": "1.0.7",