fix: upgrade node-fetch from 2.6.9 to 2.7.0

Snyk has created this PR to upgrade node-fetch from 2.6.9 to 2.7.0.

See this package in npm:
https://www.npmjs.com/package/node-fetch

See this project in Snyk:
https://app.snyk.io/org/snykmoneyhub/project/fc69a984-d7f8-4d91-9e2e-63c170447ed6?utm_source=github&utm_medium=referral&page=upgrade-pr

packages/navy/package.json

@@ -38,7 +38,7 @@
     "js-yaml": "^3.14.1",
     "lodash": "^4.17.21",
     "mkdirp": "^0.5.5",
-    "node-fetch": "^2.6.5",
+    "node-fetch": "^2.7.0",
     "node-forge": "^1.3.0",
     "opn": "^5.5.0",
     "pad": "^3.2.0",