Bump sigstore/gh-action-sigstore-python in the github-actions group

Bumps the github-actions group with 1 update: [sigstore/gh-action-sigstore-python](https://github.com/sigstore/gh-action-sigstore-python).


Updates `sigstore/gh-action-sigstore-python` from 2.1.1 to 3.0.0
- [Release notes](https://github.com/sigstore/gh-action-sigstore-python/releases)
- [Changelog](https://github.com/sigstore/gh-action-sigstore-python/blob/main/CHANGELOG.md)
- [Commits](sigstore/gh-action-sigstore-python@v2.1.1...v3.0.0)

---
updated-dependencies:
- dependency-name: sigstore/gh-action-sigstore-python
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/release.yml

@@ -78,7 +78,7 @@ jobs:
           name: python-package-distributions
           path: dist/
 
-      - uses: sigstore/gh-action-sigstore-python@v2.1.1
+      - uses: sigstore/gh-action-sigstore-python@v3.0.0
         with:
           inputs: ./dist/*.tar.gz ./dist/*.whl