Upload prepublished releases to test.pypi

.github/workflows/release.yml

@@ -1,11 +1,7 @@
 name: Python
 on:
-  push:
-    branches:
-      - main
-      - ci-test
-    tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
+  release:
+    types: [prereleased]
 jobs:
   macos:
     runs-on: macos-latest
@@ -121,3 +117,28 @@ jobs:
         with:
           name: wheels-${{ github.job }}-${{ matrix.target }}
           path: dist
+      - name: Upload release assets
+        uses: skx/github-action-publish-binaries@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          args: 'dist/*'
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    needs: [macos, windows, linux, linux-cross]
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: wheels-*
+          merge-multiple: true
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.12
+      - name: Publish to PyPI
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.TEST_PYPI_TOKEN }}
+        run: |
+          pip install --upgrade twine
+          twine upload --repository testpypi --skip-existing *