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] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -20,6 +20,6 @@
   },
   "dependencies": {
     "express": "^4.17.3",
-    "node-fetch": "^2.6.1"
+    "node-fetch": "^2.6.7"
   }
 }