[Minor] Add Manual Trigger for submodule-update.yml

.github/workflows/submodule-update.yml

@@ -2,6 +2,12 @@
 name: Submodule Updates
 
 on:
+  workflow_dispatch:
+    inputs:
+      logLevel:
+        description: 'Log level'     
+        required: true
+        default: 'warning'
   push:
     branches: [ develop ]
   # schedule: