Set up build and publish to PyPI on GitHub publish

.github/workflows/publish.yaml

@@ -0,0 +1,28 @@
+name: Publish
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: read
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    environment:
+      name: pypi
+      url: https://pypi.org/project/copyright2
+
+    permissions:
+      id-token: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build and publish to PyPI
+        uses: JRubics/[email protected]
+        with:
+          pypi_token: ${{ secrets.PYPI_TOKEN }}