update prompt

Author: harjotgill

action.yml

@@ -98,6 +98,10 @@ inputs:
       response, please provide the updated bullet point summary list of all the 
       files we have summarized so far.
 
+      When providing your response, make sure to keep the existing summary for 
+      the other files intact so that context is maintained across our 
+      conversations.
+
       ```diff
       $file_diff
       ```