⬆️ Update sigstore/gh-action-sigstore-python action to v3.1.0 (#168)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/release.yaml

@@ -32,7 +32,7 @@ jobs:
       - name: 🚀 Publish to PyPi
         run: uv publish
       - name: ✍️ Sign published artifacts
-        uses: sigstore/gh-action-sigstore-python@v3.0.1
+        uses: sigstore/gh-action-sigstore-python@v3.1.0
         with:
           inputs: ./dist/*.tar.gz ./dist/*.whl
           release-signing-artifacts: true