Release action now uses the same build command as the preview build

The 0.7.0 release failed because this was using the old setup.py method.
It didn't generate the preditor/version.py file which broke that release.
The merge request preview builds were using build and generated correctly.

Author: MHendricks

.github/workflows/release.yml

@@ -1,4 +1,4 @@
-name: Release
+name: PyPi Release
 
 on:
   release:
@@ -23,11 +23,22 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install --upgrade setuptools wheel twine
+          python -m pip install --upgrade build setuptools wheel twine
 
       - name: Build wheel
         run: |
-          python setup.py build bdist_wheel
+          python -m build --wheel --sdist
+
+      # Upload the built pip packages so we can inspect them
+      - name: Upload packages.
+        uses: actions/upload-artifact@v4
+        with:
+          name: pip-packages
+          path: |
+            dist/preditor-*.whl
+            dist/preditor-*.tar.gz
+          # This is only used if there is a problem with the next step
+          retention-days: 1
 
       - name: Publish to PyPI
         env: