Add timeout to SSLSocket

[headius]

IO now has timeout and timeout= methods for timing out blocking operations, so we'll need to add it to SSLSocket as well.

Causes one failure in CRuby 4.0 tests:

OpenSSL::TestSSL#test_read_with_timeout [/home/runner/work/jruby/jruby/test/mri/openssl/utils.rb:277]:
exceptions on 1 threads:
#<Thread:0x7aad7df5 /home/runner/work/jruby/jruby/test/mri/openssl/utils.rb:251 dead>:
/home/runner/work/jruby/jruby/test/mri/openssl/test_ssl.rb:291:in 'block in test_read_with_timeout': undefined method 'timeout=' for an instance of OpenSSL::SSL::SSLSocket (NoMethodError)
	from /home/runner/work/jruby/jruby/test/mri/openssl/test_ssl.rb:2380:in 'server_connect'
	from /home/runner/work/jruby/jruby/test/mri/openssl/test_ssl.rb:286:in 'block in test_read_with_timeout'
	from /home/runner/work/jruby/jruby/test/mri/openssl/utils.rb:255:in 'block in start_server'