typo fix

Author: davegarthsimpson

.github/workflows/build.yml

@@ -373,8 +373,7 @@ jobs:
 
           yarn --cwd electron-app rebuild
           yarn --cwd electron-app build
-          yarn --cwd electron-app
-      
+          yarn --cwd electron-app package
       # Both macOS jobs generate a "channel update info file" with same path and name. The second job to complete would
       # overwrite the file generated by the first in the workflow artifact.
       - name: Stage channel file for merge