Bump @actions/github from 6.0.1 to 9.0.0 (#585)

Bumps [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github) from 6.0.1 to 9.0.0.
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/github/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/github)

---
updated-dependencies:
- dependency-name: "@actions/github"
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -31,7 +31,7 @@
     },
     "dependencies": {
         "@actions/core": "^3.0.0",
-        "@actions/github": "^6.0.1",
+        "@actions/github": "^9.0.0",
         "@types/node": "^25.1.0",
         "glob": "^13.0.0"
     },