PyPI release workflow

.github/workflows/publish-pypi.yml

@@ -0,0 +1,55 @@
+name: Publishing
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  release-build:
+    name: Build distribution
+    runs-on: ubuntu-latest
+    needs: [checks]
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+
+    - name: "Set up Python"
+      uses: actions/setup-python@v5
+      with:
+        python-version-file: ".python-version"
+
+    - name: Install the project
+      run: uv sync --frozen --all-extras --dev
+
+    - name: Build
+      run: uv build
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: release-dists
+        path: dist/
+
+  checks:
+    uses: ./.github/workflows/shared.yml
+
+  pypi-publish:
+    name: Upload release to PyPI
+    runs-on: ubuntu-latest
+    environment: release
+    needs:
+      - release-build
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+
+    steps:
+    - name: Retrieve release distributions
+      uses: actions/download-artifact@v4
+      with:
+        name: release-dists
+        path: dist/
+
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1