Revert "Update PyPI publish action to use latest release"

This reverts commit eb7ee36.

Author: j-atkins

.github/workflows/cd.yml

@@ -59,4 +59,4 @@ jobs:
           subject-path: "dist/*"
 
       - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
+        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # release/v1