Revert "Update agent.py"

This reverts commit 5bca1a4.

src/agents/agent.py

@@ -362,6 +362,6 @@ def execute(self, prompt: str, project_name_from_user: str = None) -> str:
  self.agent_state.set_agent_active(project_name, False)
  self.agent_state.set_agent_completed(project_name, True)
  self.project_manager.add_message_from_devika(project_name,
- "I have completed my task. \n"
+ "I have completed the my task. \n"
  "if you would like me to do anything else, please let me know. \n"
  )