Bump node-fetch from 2.5.0 to 2.6.1 in /spec (#323)

Bumps [node-fetch](https://github.com/bitinn/node-fetch) from 2.5.0 to 2.6.1.
- [Release notes](https://github.com/bitinn/node-fetch/releases)
- [Changelog](https://github.com/node-fetch/node-fetch/blob/master/docs/CHANGELOG.md)
- [Commits](node-fetch/node-fetch@v2.5.0...v2.6.1)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: nikithauc <nikithauc@gmail.com>

Author: dependabot[bot]

spec/package-lock.json

@@ -12,6 +12,6 @@
 		"form-data": "^2.3.3",
 		"isomorphic-fetch": "^2.2.1",
 		"msal": "^1.0.0",
-		"node-fetch": "^2.5.0"
+		"node-fetch": "^2.6.1"
 	}
 }