fix: remove right arrow emoji to find the end of the bot message

In the has_unsatisfied_dod function, the emoji with the right arrow at
the last criterion is removed to be able to find the end of the bot
message if it is an indented DOD.

run_action.py

@@ -28,7 +28,7 @@ def has_bot_comment(pull_request_description):
 def has_unsatisfied_dod(pull_request_description, dod_criteria):
     # Extract the bot message from the pull request description
     bot_message_begin = pull_request_description.find(MESSAGE_HEADER)
-    last_criterion = dod_criteria[-1]
+    last_criterion = dod_criteria[-1].replace(RIGHT_ARROW_EMOJI, "")
     bot_message_end = pull_request_description.find(last_criterion)
     if bot_message_end == -1:
         print(