Add GitHub Actions trusted publishing workflow for PyPI

Author: alexarje

.github/workflows/pypi-publish.yml

@@ -0,0 +1,57 @@
+name: Publish to PyPI
+
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: Build distribution artifacts
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.12"
+
+      - name: Install build tooling
+        run: python -m pip install --upgrade build
+
+      - name: Build sdist and wheel
+        run: python -m build
+
+      - name: Upload distribution artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist/
+
+  publish:
+    name: Publish package to PyPI
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: read
+    environment:
+      name: pypi
+      url: https://pypi.org/p/musicalgestures
+    steps:
+      - name: Download distribution artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist/
+
+      - name: Publish to PyPI via trusted publishing
+        uses: pypa/gh-action-pypi-publish@release/v1