Bump @actions/github from 5.1.1 to 6.0.0

Bumps [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github) from 5.1.1 to 6.0.0.
- [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-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -68,7 +68,7 @@
   },
   "dependencies": {
     "@actions/core": "^1.10.1",
-    "@actions/github": "^5.1.1"
+    "@actions/github": "^6.0.0"
   },
   "devDependencies": {
     "@types/jest": "^29.5.10",