Split wheel build and sdist build

Signed-off-by: Jono Yang <jyang@nexb.com>

Author: JonoYang

.github/workflows/pypi-release.yml

@@ -19,8 +19,8 @@ on:
       - "v*.*.*"
 
 jobs:
-  build-pypi-distribs:
-    name: Build and publish library to PyPI
+  build-pypi-distribs-wheel:
+    name: Build and publish wheels to PyPI
     runs-on: ubuntu-24.04
 
     strategy:
@@ -39,12 +39,45 @@ jobs:
       - name: Install pypa/build and twine
         run: python -m pip install --user --upgrade build twine pkginfo
 
-      - name: Build a binary wheel and a source tarball
-        run: python -m build --wheel --sdist --outdir dist/
+      - name: Build a binary wheel
+        run: python -m build --wheel --outdir dist/
 
-      - name: Validate wheel and sdis for Pypi
+      - name: Validate wheel for Pypi
         run: python -m twine check dist/*
 
+      - name: Upload built archives
+        uses: actions/upload-artifact@v4
+        with:
+          name: pypi_archives
+          path: dist-${{ matrix.python-version }}/*
+
+
+  build-pypi-distribs-sdist:
+    name: Build and publish sdist to PyPI
+    runs-on: ubuntu-24.04
+
+    strategy:
+      matrix:
+       pyver: ["3.13"]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install pypa/build and twine
+        run: python -m pip install --user --upgrade build twine pkginfo
+
+      - name: Build a binary wheel
+        run: python -m build --wheel --outdir dist/
+
+      - name: Validate wheel for Pypi
+        run: python -m twine check dist*
+
       - name: Upload built archives
         uses: actions/upload-artifact@v4
         with:
@@ -55,7 +88,8 @@ jobs:
   create-gh-release:
     name: Create GH release
     needs:
-      - build-pypi-distribs
+      - build-pypi-distribs-wheel
+      - build-pypi-distribs-sdist
     runs-on: ubuntu-24.04
 
     steps: