ci: set up the package CD workflow

Author: paduszyk

.github/workflows/package-cd.yml

@@ -0,0 +1,66 @@
+name: Package CD
+
+on:
+  push:
+    tags:
+      - "*.*.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    outputs:
+      package-version: ${{ steps.package-version.outputs.package-version }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          cache: pip
+      - run: python -m pip install --upgrade pip
+      - run: python -m pip install build
+      - run: python -m build
+      - uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist/*
+      - run: python -m pip install .
+      - id: package-version
+        run: |
+          echo "package-version=$(
+            python -c 'import sys, management_commands; sys.stdout.write(management_commands.__version__)'
+          )" >> $GITHUB_OUTPUT
+  tag:
+    needs:
+      - build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          if [ "${{ needs.build.outputs.package-version }}" != "${{ github.ref_name }}" ]; then
+            exit 1
+          fi
+  pypi:
+    needs:
+      - tag
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    environment:
+      name: PyPI
+      url: https://pypi.org/p/django-management-commands/
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist/
+      - uses: pypa/gh-action-pypi-publish@release/v1
+  release:
+    needs:
+      - pypi
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: softprops/action-gh-release@v2
+        with:
+          generate_release_notes: true