update source distribution

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

@@ -7,25 +7,24 @@ on:
 jobs:
   build-n-publish:
     name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@master
     - name: Set up Python 3.9
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: 3.9
-    - name: Install scikit-build and setuptools_scm
+    - name: Install build
       run: >-
         python -m
         pip install
-        scikit-build
-        setuptools_scm
+        build
         --user
     - name: Build a source tarball
       run: >-
-        python
-        setup.py
-        sdist
+        python -m
+        build
+        --sdist
     - name: Publish distribution 📦 to Test PyPI
       uses: pypa/[email protected]
       with: