fix(deps): update dependency node-fetch to v2.6.8

Author: renovate[bot]

package.json

@@ -69,6 +69,6 @@
   "dependencies": {
     "@actions/core": "1.10.0",
     "@actions/github": "5.1.1",
-    "node-fetch": "2.6.7"
+    "node-fetch": "2.6.8"
   }
 }

yarn.lock

@@ -4636,7 +4636,14 @@ node-emoji@^1.11.0:
   dependencies:
     lodash "^4.17.21"
 
-[email protected], node-fetch@^2.6.7:
+[email protected]:
+  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"
+
+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==