Bump @actions/artifact from 2.3.1 to 4.0.0

Bumps [@actions/artifact](https://github.com/actions/toolkit/tree/HEAD/packages/artifact) from 2.3.1 to 4.0.0.
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/artifact/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/@actions/[email protected]/packages/artifact)

---
updated-dependencies:
- dependency-name: "@actions/artifact"
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]