Bump sigstore/gh-action-sigstore-python from 3.0.0 to 3.0.1 (#583)

Author: dependabot[bot]

.github/workflows/release.yml

@@ -70,7 +70,7 @@ jobs:
           name: python-package-distributions
           path: dist/
       - name: Sign the dists with Sigstore
-        uses: sigstore/gh-action-sigstore-python@v3.0.0
+        uses: sigstore/gh-action-sigstore-python@v3.0.1
         with:
           inputs: >-
             ./dist/*.tar.gz