CI: update release workflow action (#410)

* Run test for uploading test.pypi.org only for releases/* branch

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

* CI: update release workflow

- rename action script
- run on ubuntu 20.04

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

* Update .github/workflows/publish-to-pypi.yml

Co-authored-by: Mozi <29089388+pzhlkj6612@users.noreply.github.com>

Co-authored-by: Mozi <29089388+pzhlkj6612@users.noreply.github.com>

.github/workflows/publish-to-pypi.yml

@@ -0,0 +1,43 @@
+name: Publish Python 🐍 distributions 📦 to PyPI
+
+on:
+  push:
+    branches:
+      - master
+      - releases/*
+      - rel-*
+    tags:
+      - v*
+
+jobs:
+  build-n-publish:
+    name: Build and publish Python 🐍 distributions 📦 to PyPI
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 50
+      - name: Fetch release tag
+        run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+      - name: Set up Python 3.7🐍
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Install build and twine
+        run: python -m pip install build twine --user
+      - name: Build release assets
+        run: python -m build ./
+      - name: twine check
+        run: python -m twine check dist/*
+      - name: Publish distribution 📦 to Test PyPI when releases branch
+        if: ${{ startsWith(github.event.ref, 'refs/heads/releases') }}
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          password: ${{ secrets.testpypi_password }}
+          repository_url: https://test.pypi.org/legacy/
+      - name: Publish distribution 📦 to PyPI
+        if: ${{ startsWith(github.event.ref, 'refs/tags') }}
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          password: ${{ secrets.pypi_password }}