Bump @actions/artifact from 1.1.0 to 2.1.7

Bumps [@actions/artifact](https://github.com/actions/toolkit/tree/HEAD/packages/artifact) from 1.1.0 to 2.1.7.
- [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: "@actions/artifact"
  dependency-type: direct:production
...

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