ci: restore PyPI publish workflow

Author: Paul Kyle

.github/workflows/publish-pypi.yml

@@ -0,0 +1,54 @@
+name: Publish PyPI
+
+on:
+  push:
+    tags:
+      - "v*"
+  workflow_dispatch:
+
+jobs:
+  build-dists:
+    name: Build distributions
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+          cache: "pip"
+
+      - name: Build sdist and wheel
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install build twine
+          python -m build
+          python -m twine check dist/*
+
+      - name: Upload distributions
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-dists
+          path: dist/
+
+  publish-pypi:
+    name: Publish to PyPI
+    runs-on: ubuntu-latest
+    needs: build-dists
+    environment:
+      name: pypi
+      url: https://pypi.org/p/palinode
+    permissions:
+      id-token: write
+
+    steps:
+      - name: Download 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