Add full version for pypa/gh-action-pypi-publish (v1.12 is not tagged!)

Author: dalito

.github/workflows/pypi-publish.yaml

@@ -55,6 +55,6 @@ jobs:
 
       - name: Publish package 📦 to PyPI
         if: github.event_name == 'release'
-        uses: pypa/gh-action-pypi-publish@v1.12
+        uses: pypa/gh-action-pypi-publish@v1.12.4
         with:
           verbose: true