Merge pull request #8441 from hugovk/attest

Generate and upload attestations to PyPI

Author: radarhere

.github/workflows/wheels.yml

@@ -301,3 +301,5 @@ jobs:
           merge-multiple: true
       - name: Publish to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          attestations: true