リリース時に自動で PyPI にアップロードされるようにした

.github/workflows/pypi.yaml

@@ -0,0 +1,28 @@
+name: Upload package to PyPI
+
+on:
+  release:
+    types: [published]
+
+jobs:
+    build:
+      runs-on: ubuntu-latest
+      steps:
+        - name: Checkout code
+          uses: actions/checkout@v2
+
+        - name: Set up Python
+          uses: actions/setup-python@v2
+
+        - name: Install dependencies
+          run: |
+            python -m pip install --upgrade pip
+            pip install setuptools wheel twine pybind11
+
+        - name: Build package
+          run: python setup.py sdist bdist_wheel
+
+        - name: Upload package to PyPI
+          uses: pypa/gh-action-pypi-publish@release/v1
+          with:
+            password: ${{ secrets.PYPI_API_TOKEN }}