build(deps): bump sigstore/gh-action-sigstore-python from 1.1.0 to 1.…

…2.1 (#51)

Bumps [sigstore/gh-action-sigstore-python](https://github.com/sigstore/gh-action-sigstore-python) from 1.1.0 to 1.2.1.
- [Release notes](https://github.com/sigstore/gh-action-sigstore-python/releases)
- [Commits](sigstore/gh-action-sigstore-python@v1.1.0...v1.2.1)

---
updated-dependencies:
- dependency-name: sigstore/gh-action-sigstore-python
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
         password: ${{ secrets.PYPI_TOKEN }}
 
     - name: sign
-      uses: sigstore/gh-action-sigstore-python@v1.1.0
+      uses: sigstore/gh-action-sigstore-python@v1.2.1
       with:
         inputs: ./dist/*.tar.gz ./dist/*.whl
         release-signing-artifacts: true