add release workflow

{{cookiecutter.project_slug}}/.github/workflows/release.yaml

@@ -0,0 +1,38 @@
+name: release
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  publish-pypi:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - id: query
+        uses: romnnn/query-git-action@master
+
+      - name: Install pypa/build
+        run: >-
+          python -m
+          pip install
+          build
+          --user
+
+      - name: Build a binary wheel and a source tarball
+        run: >-
+          python -m
+          build
+          --sdist
+          --wheel
+          --outdir dist/
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}

{{cookiecutter.project_slug}}/setup.cfg

@@ -49,6 +49,5 @@ warn_unused_configs=true
 disallow_untyped_decorators=true
 
 [tool:pytest]
-collect_ignore=['setup.py']
 addopts=-n auto
 testpaths=tests/