build(deps-dev): bump node-fetch from 2.6.7 to 2.6.8

Bumps [node-fetch](https://github.com/node-fetch/node-fetch) from 2.6.7 to 2.6.8.
- [Release notes](https://github.com/node-fetch/node-fetch/releases)
- [Commits](node-fetch/node-fetch@v2.6.7...v2.6.8)

---
updated-dependencies:
- dependency-name: node-fetch
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

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

yarn.lock

@@ -3903,9 +3903,9 @@ nice-try@^1.0.4:
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
 node-fetch@^2.6.0, node-fetch@^2.6.1, node-fetch@^2.6.7:
-  version "2.6.7"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
-  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
+  version "2.6.8"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.8.tgz#a68d30b162bc1d8fd71a367e81b997e1f4d4937e"
+  integrity sha512-RZ6dBYuj8dRSfxpUSu+NsdF1dpPpluJxwOp+6IoDp/sH2QNDSvurYsAa+F1WxY2RjA1iP93xhcsUoYbF2XBqVg==
   dependencies:
     whatwg-url "^5.0.0"