Bump sigstore/gh-action-sigstore-python from 3.2.0 to 3.3.0

Bumps [sigstore/gh-action-sigstore-python](https://github.com/sigstore/gh-action-sigstore-python) from 3.2.0 to 3.3.0.
- [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@a5caf34...04cffa1)

---
updated-dependencies:
- dependency-name: sigstore/gh-action-sigstore-python
  dependency-version: 3.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/release-sign.yml

@@ -55,7 +55,7 @@ jobs:
         run: git archive --format=tar.gz -o ${OCIO_TARBALL} --prefix ${OCIO_PREFIX} ${TAG}
 
       - name: Sign archive with Sigstore
-        uses: sigstore/gh-action-sigstore-python@a5caf349bc536fbef3668a10ed7f5cd309a4b53d # v3.2.0
+        uses: sigstore/gh-action-sigstore-python@04cffa1d795717b140764e8b640de88853c92acc # v3.3.0
         with:
           inputs: ${{ env.OCIO_TARBALL }}
           upload-signing-artifacts: false