Fix module selection (#7123)

.github/workflows/upgrade-pylib.md

@@ -74,9 +74,9 @@ fi
 
 ## Step 2: Pick a module to upgrade
 
-If the user provided a module name via `${{ github.event.inputs.name }}`, use that module.
+If the user provided a module name via `${{ github.event.inputs.name }}`, use **exactly** that module. Skip the selection logic below and go directly to Step 3.
 
-Otherwise, run the todo script to find candidates:
+If NO module name was provided, run the todo script to auto-pick one:
 
 ```bash
 python3 scripts/update_lib todo