Add build to deploy pip installs

.github/workflows/python-publish.yml

@@ -21,7 +21,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools wheel twine
+        pip install setuptools wheel twine build
     - name: Release
       if: ${{ steps.regex-match.outputs.match != '' }}
       uses: softprops/action-gh-release@v1