fix: add suggestion for hyperf/engine in composer.json

Co-Authored-By: copilot-swe-agent[bot] <[email protected]>
Co-Authored-By: huangdijia <[email protected]>

Author: huangdijia

composer.json

@@ -41,6 +41,7 @@
         "hyperf/amqp": "Required to use the amqp event (~3.1.9).",
         "hyperf/crontab": "Required to use the crontab event (~3.1.7).",
         "hyperf/database": "Required to use the crontab event (~3.1.0).",
+        "hyperf/engine": "Required to use the coroutine engine (^2.15.0).",
         "hyperf/rpc-multiplex": "Required to use the rpc tracing (~3.1.0).",
         "phpmyadmin/sql-parser": "Required to use the sql parser (^5.9)."
     },