Add OpenVSX release in workflow

Signed-off-by: Quentin Guidée <[email protected]>

.github/workflows/release.yml

@@ -139,3 +139,39 @@ jobs:
           for file in releases/*; do
             vsce publish -p ${{ secrets.VSCODE_MARKETPLACE }} --packagePath $file --githubBranch main
           done
+
+  release-open-vsx:
+    name: Release (Open VSX)
+    needs: package
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Download artifacts
+        uses: actions/download-artifact@v3
+        with:
+          path: artifacts
+
+      - name: Copy artifacts
+        run: |
+          mkdir releases
+          for file in artifacts/*/*; do
+            file=${file#artifacts/}
+            folder=${file%%/*}
+            cp -v artifacts/$file releases/$folder
+          done
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
+      - name: Install dependencies
+        run: yarn global add ovsx
+
+      - name: Release
+        run: |
+          for file in releases/*; do
+            npx ovsx publish -p ${{ secrets.VSIX_MARKETPLACE }} --packagePath $file
+          done