ci(pypi-release.yml): separate build and publish jobs

.github/workflows/pypi-release.yml

@@ -8,8 +8,33 @@ permissions:
   contents: read
 
 jobs:
-    pypi-publish:
-      name: upload release to PyPI
+    build:
+      name: Build distribution
+      runs-on: ubuntu-latest
+
+      steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.9"
+
+      - name: Install pypa/build
+        run: python3 -m pip install build --user
+
+      - name: Build a binary wheel and a source tarball
+        run: python3 -m build
+
+      - name: Store the distribution packages
+        uses: actions/upload-artifact@v3
+        with:
+          name: python-package-distributions
+          path: dist/
+
+    publish-to-pypi:
+      name: Publish Python distribution to PyPI
+      needs:
+        - build
       runs-on: ubuntu-latest
 
       # Specifying a GitHub environment is optional, but strongly encouraged
@@ -20,20 +45,11 @@ jobs:
         id-token: write
 
       steps:
-        - uses: actions/checkout@v3
-
-        - name: Set up Python
-          uses: actions/setup-python@v4
+        - name: Download all the dists
+          uses: actions/download-artifact@v3
           with:
-            python-version: '3.x'
-
-        - name: Install dependencies
-          run: |
-            python -m pip install --upgrade pip
-            pip install build
-
-        - name: Build package
-          run: python -m build
+            name: python-package-distributions
+            path: dist/
 
         # publish to test pypi repo
         - name: Publish package distributions to TestPyPI