chore: streamline GitHub Actions workflow by removing redundant setup…

… step and modifying build command

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

@@ -17,16 +17,16 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
       - name: Build wheels
         uses: pypa/[email protected]
         env:
           # Skip 32-bit builds, musllinux builds, and disable building PyPy wheels on all platforms
           CIBW_SKIP: "*-win32 *-manylinux_i686 *musllinux* pp*"
 
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.10'
-
       - uses: actions/upload-artifact@v4
         with:
           name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
@@ -47,7 +47,7 @@ jobs:
           # NOTE: put your own distribution build steps here.
           python -m pip install --upgrade pip
           python -m pip install build
-          python -m build
+          python -m build --sdist
 
 
       - uses: actions/upload-artifact@v4