ci: create publish.yml action

Author: DeflateAwning

.github/workflows/publish.yml

@@ -0,0 +1,38 @@
+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch: # Enable manual trigger.
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write # Mandatory for OIDC.
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          # Important for versioning plugins:
+          fetch-depth: 0
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          python-version: "3.12"
+
+      - name: Set up Python (using uv)
+        run: uv python install
+
+      - name: Install all dependencies
+        run: uv sync --all-extras
+
+      - name: Build package
+        run: uv build
+
+      - name: Publish to PyPI
+        run: uv publish --trusted-publishing always
+