Ignore PR into master branch for releases

Signed-off-by: Sylvain Hellegouarch <sh@defuze.org>

Author: Lawouach

.github/workflows/release.yaml

@@ -0,0 +1,37 @@
+name: Release
+
+on:
+ pull_request:
+    branches-ignore:
+      - 'master'
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+'
+      - '[0-9]+.[0-9]+.[0-9]+rc[0-9]+'
+
+jobs:
+  release-to-pypi:
+    runs-on: ubuntu-16.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: '3.5'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twine
+    - name: Build and publish
+      env:
+        TWINE_USERNAME: chaostoolkit
+        TWINE_PASSWORD: ${{ secrets.PYPI_PWD }}
+      run: |
+        python3 setup.py release
+        twine upload dist/*
+    # push artifacts for other jobs to use
+    - name: Upload packages as artifacts
+      uses: actions/upload-artifact@v2-preview
+      with:
+        name: chaostoolkit-packages
+        path: dist/chaostoolkit-lib-*