use v6 for setup-python. that was a mistake

Author: ercius

.github/workflows/publish-to-pypi.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
         - uses: actions/checkout@v6
         - name: Set up Python
-          uses: actions/setup-python@v7
+          uses: actions/setup-python@v6
           with:
             python-version: "3.x"
         - name: Install pypa/build
@@ -22,7 +22,7 @@ jobs:
         - name: Build a binary wheel and a source tarball
           run: python -m build
         - name: Store the distribution packages
-          uses: actions/upload-artifact@v5
+          uses: actions/upload-artifact@v7
           with:
             name: python-package-distributions
             path: dist/
@@ -73,7 +73,7 @@ jobs:
 
   #   steps:
   #   - name: Download all the dists
-  #     uses: actions/download-artifact@v5
+  #     uses: actions/download-artifact@v7
   #     with:
   #       name: python-package-distributions
   #       path: dist/