automatically prepare release

.github/workflows/regression-tests.yml

@@ -13,10 +13,10 @@ jobs:
         python-version: [3.7, 3.8, 3.9]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
 
     - name: Set up Python ${{matrix.python-version}}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{matrix.python-version}}
 
@@ -29,3 +29,29 @@ jobs:
         pip install tox tox-gh-actions
     - name: Test with tox
       run: tox
+
+  publish_pypi:
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags')
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        with:
+          python-version: '3.10'
+        uses: actions/setup-python@v4
+      - name: Install pdm
+        run:
+          pip install pdm
+      - name: Publish to PyPI
+        env:
+          PDM_PUBLISH_USERNAME: __token__
+          PDM_PUBLISH_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+        run: |
+          pdm publish
+      - name: Create Release on Github
+        uses: softprops/action-gh-release@v1
+        with:
+          draft: true
+          prerelease: false
+          files: ./dist/*
+          token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}