Create and upload source distributions to PyPI, use the newest cibuildwheel version (#467)

Author: Griger5

.github/workflows/buildwheels.yml

@@ -61,14 +61,16 @@ jobs:
             m4
       
       - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
 
       - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==2.23.2
+        run: python -m pip install cibuildwheel
 
       - name: Build and test wheels
         env:
-          # skip 32-bit, PyPy, and musllinux builds
-          CIBW_SKIP: "*-win32 *-manylinux_i686 pp* *musllinux*"
+          # skip 32-bit, musllinux, and free-threaded builds
+          CIBW_SKIP: "*-win32 *-manylinux_i686 *musllinux* cp3??t-*"
           CIBW_BEFORE_BUILD_WINDOWS: pip install delvewheel
           CIBW_ENVIRONMENT_WINDOWS: CMAKE_ARGS="-DCMAKE_MAKE_PROGRAM=D:/a/_temp/msys64/mingw64/bin/ninja.exe" CMAKE_PROGRAM_PATH="D:/a/_temp/msys64/usr/bin" CMAKE_GENERATOR="Ninja" TEMP="D:/a/_temp/"
           CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: delvewheel repair -w {dest_dir} {wheel}
@@ -183,3 +185,36 @@ jobs:
       uses: pypa/gh-action-pypi-publish@release/v1.12
       with:
         attestations: false
+
+  make_sdist:
+    name: Make source distribution
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v5
+      with:
+        fetch-depth: 0
+        submodules: true
+
+    - name: Build source distribution
+      run: pipx run build --sdist
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: cibw-sdist
+        path: dist/*.tar.gz
+
+  upload_sdist:
+    needs: [build_wheels, make_sdist]
+    environment: pypi
+    permissions:
+      id-token: write
+    runs-on: ubuntu-latest
+    if: github.event_name == 'release' && github.event.action == 'published'
+    steps:
+    - uses: actions/download-artifact@v5
+      with:
+        pattern: cibw-*
+        path: dist
+        merge-multiple: true
+
+    - uses: pypa/gh-action-pypi-publish@release/v1