Add publish to pypi task

.github/workflows/publish.yml

@@ -0,0 +1,34 @@
+name: Publish to PyPI
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  publish:
+
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.11
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install -r requirements-dev.txt
+
+    - name: Test
+      run: inv test
+
+    - name: Build
+      run: inv build
+
+    - name: Publish to PyPI
+      env:
+        PYPI_API_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
+      run: inv publish --token "$PYPI_API_TOKEN"