Script that builds and uploads package on release

.github/workflows/release-package.yml

@@ -0,0 +1,36 @@
+name: Package and attach VSIX on release
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-upload:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Package VS Code extension
+        run: npm run vscode:package
+
+      - name: Upload VSIX to release assets
+        uses: softprops/action-gh-release@v2
+        with:
+          files: "*.vsix"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+