Bump node-fetch from 2.6.0 to 2.6.1 (#2937)

Bumps [node-fetch](https://github.com/bitinn/node-fetch) from 2.6.0 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@v2.6.0...v2.6.1)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -48,7 +48,7 @@
     "onNotebookEditor:PowerShellNotebookMode"
   ],
   "dependencies": {
-    "node-fetch": "^2.6.0",
+    "node-fetch": "^2.6.1",
     "semver": "^7.3.2",
     "uuid": "^8.3.0",
     "vscode-extension-telemetry": "~0.1.6",