fix: add vscode build step to produce lib/vscode-reh-web-*

The npm run release command requires the vscode remote extension host
to be built first. This was missing from the workflow, causing rsync
to fail with 'No such file or directory'.

Author: Kenny-Heitritter

.github/workflows/deploy-v2-prod.yaml

@@ -74,6 +74,15 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Build vscode
+        run: |
+          pushd lib/vscode
+          npm ci
+          popd
+          npm run build:vscode
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Set version
         id: version
         run: |