async-http adapter has an implicit dependency on async-io which was removed from async-http at version 0.65.0

[jakeonfire]

as of https://github.com/socketry/async-http/releases/tag/v0.65.0 async-http does not use async-io anymore. but the async-http webmock adapter has an implicit dependency on async-io here:

webmock/lib/webmock/http_lib_adapters/async_http_client_adapter.rb

Lines 156 to 160 in fc6a2ab

	pair = begin
	Async::IO::Socket.pair(Socket::AF_UNIX, Socket::SOCK_STREAM)
	rescue Errno::EAFNOSUPPORT
	Async::IO::Socket.pair(Socket::AF_INET, Socket::SOCK_STREAM)
	end

[jakeonfire]

fix: #1056