ci: Add release flow

.github/workflows/release.yml

@@ -0,0 +1,54 @@
+name: 'Release new version'
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: eifinger/setup-rye@v1
+      - name: Build package
+        id: build_package
+        run: |
+          rye build
+      - uses: actions/upload-artifact@v4
+        with:
+          name: packages-${{ github.ref }}
+          path: dist/
+  gh-release:
+    runs-on: ubuntu-latest
+    needs: [build]
+    premissions:
+      contents: write
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: packages-${{ github.ref }}
+          path: dist/
+      - uses: ncipollo/release-action@v1
+        with:
+          artifacts: 'dist/*'
+          body: 'See https://github.com/attakei/rst-multi-refs/blob/main/CHANGELOG.rst'
+          draft: false
+          name: Release ${{ github.ref }}
+          tag: ${{ github.ref }}
+          prerelease: false
+  pypi-publish:
+    runs-on: ubuntu-latest
+    needs: [build]
+    environment:
+      name: pypi
+      url: https://pypi.org/p/rst-multi-refs
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: packages-${{ github.ref }}
+          path: dist/
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1