Bump node-fetch from 1.7.3 to 2.6.1 (#189)

Bumps [node-fetch](https://github.com/bitinn/node-fetch) from 1.7.3 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@1.7.3...v2.6.1)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

package.json

@@ -19,7 +19,7 @@
   },
   "homepage": "https://github.com/matthew-andrews/isomorphic-fetch/issues",
   "dependencies": {
-    "node-fetch": "^1.0.1",
+    "node-fetch": "^2.6.1",
     "whatwg-fetch": ">=0.10.0"
   },
   "devDependencies": {