Bump node-fetch from 2.6.0 to 2.6.7

Bumps [node-fetch](https://github.com/node-fetch/node-fetch) from 2.6.0 to 2.6.7.
- [Release notes](https://github.com/node-fetch/node-fetch/releases)
- [Commits](https://github.com/node-fetch/node-fetch/compare/v2.6.0...v2.6.7)

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

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

package.json

@@ -13,7 +13,7 @@
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "dotenv": "^8.0.0",
     "fetch": "^1.1.0",
-    "node-fetch": "^2.6.0"
+    "node-fetch": "^2.6.7"
   },
   "devDependencies": {
     "@babel/core": "^7.4.5",