fix: suppress FastMCP banner in run command

Hide the FastMCP startup banner by setting show_banner=False for both
stdio and HTTP modes. This provides a cleaner user experience without
the verbose FastMCP branding output.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: niechen

src/mcpm/commands/run.py

@@ -73,12 +73,12 @@ async def run_server_with_fastmcp(server_config, server_name, http_mode=False, p
 
             # Run FastMCP proxy in HTTP mode with uvicorn logging control
             await proxy.run_http_async(
-                host="127.0.0.1", port=actual_port, uvicorn_config={"log_level": get_uvicorn_log_level()}
+                host="127.0.0.1", port=actual_port, show_banner=False, uvicorn_config={"log_level": get_uvicorn_log_level()}
             )
         else:
             # Run FastMCP proxy in stdio mode (default)
             logger.info(f"Starting server '{server_name}' over stdio")
-            await proxy.run_stdio_async()
+            await proxy.run_stdio_async(show_banner=False)
 
         return 0