Merge pull request matplotlib#27563 from QuLogic/pypi-publishing

Enable PyPI publishing from GitHub Actions

Author: dstansby

.github/workflows/cibuildwheel.yml

@@ -71,7 +71,7 @@ jobs:
       - name: Upload sdist result
         uses: actions/upload-artifact@v4
         with:
-          name: sdist
+          name: cibw-sdist
           path: dist/*.tar.gz
           if-no-files-found: error
 
@@ -142,7 +142,7 @@ jobs:
       - name: Download sdist
         uses: actions/download-artifact@v4
         with:
-          name: sdist
+          name: cibw-sdist
           path: dist/
 
       - name: Build wheels for CPython 3.12
@@ -188,6 +188,28 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
-          name: wheels
+          name: cibw-wheels-${{ runner.os }}-${{ matrix.cibw_archs }}
           path: ./wheelhouse/*.whl
           if-no-files-found: error
+
+  publish:
+    if: github.event_name == 'release' && github.event.action == 'published'
+    name: Upload release to PyPI
+    needs: [build_sdist, build_wheels]
+    runs-on: ubuntu-latest
+    environment: release
+    permissions:
+      id-token: write
+    steps:
+      - name: Download packages
+        uses: actions/download-artifact@v4
+        with:
+          pattern: cibw-*
+          path: dist
+          merge-multiple: true
+
+      - name: Print out packages
+        run: ls dist
+
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@b7f401de30cb6434a1e19f805ff006643653240e # v1.8.10