build(deps): bump @octokit/plugin-paginate-rest and @actions/github

Removes [@octokit/plugin-paginate-rest](https://github.com/octokit/plugin-paginate-rest.js). It's no longer used after updating ancestor dependency [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github). These dependencies need to be updated together.


Removes `@octokit/plugin-paginate-rest`

Updates `@actions/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: "@octokit/plugin-paginate-rest"
  dependency-type: indirect
- dependency-name: "@actions/github"
  dependency-type: direct:production
...

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

package.json

@@ -39,7 +39,7 @@
   "dependencies": {
     "@actions/cache": "^4.0.3",
     "@actions/core": "^1.11.1",
-    "@actions/github": "^5.1.1",
+    "@actions/github": "^6.0.1",
     "@octokit/core": "^4.2.0",
     "@octokit/plugin-retry": "^4.1.1",
     "lodash.deburr": "^4.1.0",