⬆️ Update sigstore/gh-action-sigstore-python action to v3.2.0 (#1352)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -427,7 +427,7 @@ jobs:
           verbose: true
           print-hash: true
       - name: ✍️ Sign published artifacts
-        uses: sigstore/gh-action-sigstore-python@f832326173235dcb00dd5d92cd3f353de3188e6c # v3.1.0
+        uses: sigstore/gh-action-sigstore-python@a5caf349bc536fbef3668a10ed7f5cd309a4b53d # v3.2.0
         with:
           inputs: ./dist/*.tar.gz ./dist/*.whl
           release-signing-artifacts: true