chore(deps): bump node-fetch from 2.6.1 to 2.6.7 in /packages/backend (#8293)

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](https://github.com/node-fetch/node-fetch/compare/v2.6.1...v2.6.7)

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

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packages/backend/package.json

@@ -123,7 +123,7 @@
 		"ms": "3.0.0-canary.1",
 		"multer": "1.4.4",
 		"nested-property": "4.0.0",
-		"node-fetch": "2.6.1",
+		"node-fetch": "2.6.7",
 		"nodemailer": "6.7.2",
 		"os-utils": "0.0.14",
 		"parse5": "6.0.1",