improve HTTP server shutdown

[xlc]

2024-10-29T17:35:01+1300 [ cli ] [ NOTICE ] Shutting down... (Boka/Boka.swift:184)
2024-10-29T17:35:01+1300 [ codes.vapor.application ] [ DEBUG ] Application shutting down (Vapor/Application.swift:264)
2024-10-29T17:35:01+1300 [ codes.vapor.application ] [ TRACE ] Shutting down providers (Vapor/Application.swift:266)
2024-10-29T17:35:01+1300 [ codes.vapor.application ] [ TRACE ] Clearing Application storage (Vapor/Application.swift:270)
2024-10-29T17:35:01+1300 [ codes.vapor.application ] [ DEBUG ] Requesting HTTP server shutdown (Vapor/HTTPServer.swift:368)
2024-10-29T17:35:11+1300 [ codes.vapor.application ] [ ERROR ] Could not stop HTTP server: Abort.500: Server stop took too long. (Vapor/HTTPServer.swift:372)
2024-10-29T17:35:11+1300 [ codes.vapor.application ] [ DEBUG ] HTTP server shutting down (Vapor/HTTPServer.swift:374)
2024-10-29T17:35:11+1300 [ codes.vapor.application ] [ TRACE ] Running on shared EventLoopGroup. Not shutting down EventLoopGroup. (Vapor/Application.swift:276)
2024-10-29T17:35:11+1300 [ codes.vapor.application ] [ TRACE ] Application shutdown complete (Vapor/Application.swift:287)
2024-10-29T17:35:11+1300 [ codes.vapor.application ] [ TRACE ] Application deinitialized, goodbye! (Vapor/Application.swift:321)

it shouldn't shutdown by timeout. need to use some Vapor API to close ws