fix: update auto-generated commit message to include dynamic username for trophy updates

Author: QuantumChemist

bot_cmds.py

@@ -880,7 +880,7 @@ async def trophy(self, ctx, trophy_arg: str = None):
             FILE_PATH = f"utils/{local_file}"
 
             timestamp = datetime.datetime.now().isoformat()
-            COMMIT_MESSAGE = f"""🤖 Auto-update trophy.svg for @QuantumChemist by OpenGLaDOS Bot
+            COMMIT_MESSAGE = f"""🤖 Auto-update trophy.svg for @{username} by OpenGLaDOS Bot
 
 Bot Details:
 - Automated by: OpenGLaDOS Discord Bot