fix: keep product.json file permissions in release

When we added the change to modify the `package.json` version using `mv`
and `jq` we didn't account for lost file permissions.

This caused a bug only happening in CI.

This should fix it by giving it 755 via `chmod`.

.github/workflows/release.yaml

@@ -322,6 +322,8 @@ jobs:
           echo "Updating version in lib/vscode/product.json"
           tmp=$(mktemp) 
           jq '.codeServerVersion = "$VERSION"' release/lib/vscode/product.json > "$tmp" && mv "$tmp" release/lib/vscode/product.json
+          # Ensure it has the same permissions as before
+          chmod 755 release/lib/vscode/product.json
 
       - name: Compress release package
         run: tar -czf package.tar.gz release