refactor(server): change conn->closed to atomic, try to fix possible data race

refactor(tracer): Refactor the tracker observer function to optimize the blocking detection logic

curl coroutine file (#6028)

merge 6.2 into master (#6026)

merge 6.1 into master (#5998)

add server_addr (#5994)

sync php85 curl (#5992)

optimize config.m4 (#5993)

update config (#5990)

add libpq_version (#5986)

Improve the implementation of Server::shutdown(), replace signal communication with pipe communication in Process mode. Fix GH-5974

feat(iouring): Optimize io_uring code

Optimize the delivery order of queued tasks

Modify the wait and sleep system calls to use iouring for implementation.

Fix memory leak when failed to hook func