Create release action

Create an action that uses the pypa/gh-action-pypi-publish reusable
action to automate releases.

Fixes #267

.github/actions/test/action.yml

@@ -0,0 +1,28 @@
+name: test
+description: 'runs a test matrix'
+inputs:
+  python-version:
+    required: true
+  django-version:
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+  - name: Set up Python
+    uses: actions/setup-python@v2
+    with:
+      python-version: ${{ inputs.python-version }}
+
+  - name: Install dependencies
+    shell: sh
+    run: |
+      python -m pip install --upgrade pip
+      if [[ ${{ inputs.django-version }} != 'main' ]]; then pip install --pre -q "Django>=${{ inputs.django-version }},<${{ inputs.django-version }}.99"; fi
+      if [[ ${{ inputs.django-version }} == 'main' ]]; then pip install https://github.com/django/django/archive/main.tar.gz; fi
+      pip install flake8 django-redis pymemcache
+
+  - name: Test
+    shell: sh
+    run: |
+      ./run.sh test

.github/workflows/ci.yml

@@ -28,21 +28,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+    - uses: ./.github/actions/test
       with:
         python-version: ${{ matrix.python-version }}
-
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        if [[ ${{ matrix.django }} != 'main' ]]; then pip install --pre -q "Django>=${{ matrix.django }},<${{ matrix.django }}.99"; fi
-        if [[ ${{ matrix.django }} == 'main' ]]; then pip install https://github.com/django/django/archive/main.tar.gz; fi
-        pip install flake8 django-redis pymemcache
-
-    - name: Test
-      run: |
-        ./run.sh test
+        django-version: ${{ matrix.django }}
 
   lint:
     runs-on: ubuntu-latest

.github/workflows/release.yml

@@ -0,0 +1,56 @@
+name: release
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        django: ['3.2', '4.0', '4.1']
+        exclude:
+          - python-version: '3.7'
+            django: '4.0'
+          - python-version: '3.7'
+            django: '4.1'
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - uses: ./.github/actions/test
+      with:
+        python-version: ${{ matrix.python-version }}
+        django-version: ${{ matrix.django }}
+
+  release:
+    runs-on: ubuntu-latest
+    needs: [test]
+    steps:
+
+    - uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.11
+
+    - name: install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install build twine
+
+    - name: build
+      run: ./run.sh build
+
+    - name: check
+      run: ./run.sh check
+
+    - name: release
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        password: ${{ secrets.PYPI_DEPLOY_TOKEN }}