1.42.0-0

• Update to Libuv 1.42.0 (#559)
  • New function: uv.try_write2
• Fix uninitialized memory reads when work_fn in uv.new_work returns no values (#562)
• Luv C API: Add function to run thread in protected mode (#563)
• Change luv_work_cb() to run in protected mode and throw an error in luv_thread_arg_set() if an argument of an impermissible type is passed (#566)