Don't use setup.py for bundling

.github/workflows/pypi_publish.yml

@@ -27,11 +27,11 @@ jobs:
 
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip setuptools wheel
+        python -m pip install --upgrade pip setuptools wheel build
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Build
       run: >-
-        python setup.py sdist bdist_wheel
+        python -m build
     # We do this, since failures on test.pypi aren't that bad
     - name: Publish to Test PyPI
       if: startsWith(github.event.ref, 'refs/tags') || github.event_name == 'release'