Update automerge.yml

Add branch to workflow.

Author: david-thrower

.github/workflows/automerge.yml

@@ -5,7 +5,7 @@ name: Python application
 
 on:
   push:
-    branches: [ "main", "167-fix-computational-issues-with-rope-embedding" ]
+    branches: [ "main", "168-try-integrating-a-irope-layer" ]
 
 permissions:
   contents: read