Bump geekyeggo/delete-artifact from 5.1.0 to 6.0.0

Bumps [geekyeggo/delete-artifact](https://github.com/geekyeggo/delete-artifact) from 5.1.0 to 6.0.0.
- [Release notes](https://github.com/geekyeggo/delete-artifact/releases)
- [Changelog](https://github.com/GeekyEggo/delete-artifact/blob/main/CHANGELOG.md)
- [Commits](GeekyEggo/delete-artifact@v5.1.0...v6.0.0)

---
updated-dependencies:
- dependency-name: geekyeggo/delete-artifact
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/pythonpackage.yml

@@ -91,6 +91,6 @@ jobs:
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Clean up coverage
-        uses: geekyeggo/delete-artifact@v5.1.0
+        uses: geekyeggo/delete-artifact@v6.0.0
         with:
           name: coverage