[ruby/timeout] Bump up v0.4.3

ruby/timeout@607d8c6fbe

Author: hsbt

lib/timeout.rb

@@ -20,7 +20,7 @@
 
 module Timeout
   # The version
-  VERSION = "0.4.2"
+  VERSION = "0.4.3"
 
   # Internal error raised to when a timeout is triggered.
   class ExitException < Exception