build(deps): bump @octokit/request and @actions/github

Bumps [@octokit/request](https://github.com/octokit/request.js) to 8.4.1 and updates ancestor dependency [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github). These dependencies need to be updated together.


Updates `@octokit/request` from 5.6.2 to 8.4.1
- [Release notes](https://github.com/octokit/request.js/releases)
- [Commits](https://github.com/octokit/request.js/compare/v5.6.2...v8.4.1)

Updates `@actions/github` from 5.0.0 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/request"
  dependency-type: indirect
- dependency-name: "@actions/github"
  dependency-type: direct:production
...

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

package.json

@@ -5,7 +5,7 @@
   "main": "lib",
   "dependencies": {
     "@actions/core": "^1.9.1",
-    "@actions/github": "^5.0.0",
+    "@actions/github": "^6.0.0",
     "@actions/tool-cache": "^1.7.1",
     "dotenv": "10.0.x",
     "semver": "^7.5.2",