Bump node-fetch from 1.7.3 to 2.6.1

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)

---
updated-dependencies:
- dependency-name: node-fetch
  dependency-type: indirect
...

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

Author: dependabot[bot]

yarn.lock

@@ -2811,11 +2811,7 @@ node-dir@^0.1.17:
   dependencies:
     minimatch "^3.0.2"
 
-node-fetch@^2.2.0:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.2.1.tgz#1fe551e0ded6c45b3b3b937d0fb46f76df718d1e"
-
-node-fetch@^2.6.0:
+node-fetch@^2.2.0, node-fetch@^2.6.0:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"