Bump node-fetch from 2.6.1 to 2.6.7

Bumps [node-fetch](https://github.com/node-fetch/node-fetch) from 2.6.1 to 2.6.7.
- [Release notes](https://github.com/node-fetch/node-fetch/releases)
- [Commits](node-fetch/node-fetch@v2.6.1...v2.6.7)

---
updated-dependencies:
- dependency-name: node-fetch
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "mailgun-js": "^0.22.0",
     "mongodb": "^3.6.1",
     "neo4j-driver": "^4.1.1",
-    "node-fetch": "^2.6.1",
+    "node-fetch": "^2.6.7",
     "nodemon": "^2.0.4",
     "password-generator": "^2.3.2",
     "pg": "^8.0.3",