build(deps): bump node-fetch from 2.6.7 to 2.6.8 (#103)

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](https://github.com/node-fetch/node-fetch/compare/v2.6.7...v2.6.8)

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

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

package.json

@@ -28,7 +28,7 @@
   "homepage": "https://github.com/peter-evans/dockerhub-description#readme",
   "dependencies": {
     "@actions/core": "^1.10.0",
-    "node-fetch": "^2.6.7"
+    "node-fetch": "^2.6.8"
   },
   "devDependencies": {
     "@types/jest": "^27.0.3",