Add GitHub Action for PyPI releases

Author: acdha

.github/workflows/pypi-release.yml

@@ -0,0 +1,36 @@
+name: "PyPI releases"
+
+on: release
+
+jobs:
+  build_sdist:
+    name: Build Python source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build sdist
+        run: pipx run build --sdist
+
+      - uses: actions/upload-artifact@v4
+        with:
+          path: dist/*.tar.gz
+
+  pypi-publish:
+    name: Upload release to PyPI
+    if: github.event_name == 'release' && github.event.action == 'published'
+    needs:
+      - build_sdist
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/django-tabular-export
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: artifact
+          path: dist
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1