add publishing workflow

Author: pbrassel

.github/workflows/publish.yml

@@ -0,0 +1,35 @@
+name: Publish to PyPI
+
+on: workflow_dispatch
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Poetry
+        uses: ./.github/actions/setup-poetry
+      - name: Install dependencies
+        run: poetry install
+      - name: Build package
+        run: poetry build --no-interaction
+      - name: Upload build artifact
+        uses: actions/upload-artifact@v4
+        with:
+          path: dist/
+          name: package-dist
+
+  publish:
+    runs-on: ubuntu-latest
+    needs: build
+    environment: pypi
+    permissions:
+      id-token: write
+    steps:
+      - name: Download build artifact
+        uses: actions/download-artifact@v4
+        with:
+          path: ${{ github.workspace }}/dist/
+          name: package-dist
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1