Bump @octokit/request and @actions/artifact

Bumps [@octokit/request](https://github.com/octokit/request.js) to 10.0.8 and updates ancestor dependency [@actions/artifact](https://github.com/actions/toolkit/tree/HEAD/packages/artifact). These dependencies need to be updated together.


Updates `@octokit/request` from 5.6.3 to 10.0.8
- [Release notes](https://github.com/octokit/request.js/releases)
- [Commits](octokit/request.js@v5.6.3...v10.0.8)

Updates `@actions/artifact` from 2.3.2 to 6.2.1
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/artifact/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/artifact)

---
updated-dependencies:
- dependency-name: "@octokit/request"
  dependency-version: 10.0.8
  dependency-type: indirect
- dependency-name: "@actions/artifact"
  dependency-version: 6.2.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]