ci: relax constraint

Author: KyleKing

.github/workflows/tests.yml

@@ -134,7 +134,7 @@ jobs:
           name: python-package-distributions
           path: dist/
       - name: Sign the dists with Sigstore
-        uses: sigstore/gh-action-sigstore-python@v3.3.0
+        uses: sigstore/gh-action-sigstore-python@v3
         with:
           inputs: >-
             ./dist/*.tar.gz