dev-perl/MCE: Bump to version 1.809.0

dev-perl/MCE: Bump to version 1.809.0

Upstream:
- Faster IO with use_slurpio => 1
- "auto" chunk size tuned.
- Worker exit logic now more reliable on Win32
- Support for IO::TieCombine handles for interop with App::Cmd
  via MCE->print and MCE->sendto
- import() fixed issue with not importing certain subs
- Added support for Cyclical includes
- Better win32 Feature Parity with unix
- Sereal support added (default where possible)
- Fixed counter in dequeue with standalone MCE::Queues
- Fixed race in Queue->await
- Optimised MCE::Queue->dequeue
- Removed sleep() from MCE->restart_worker
- Set posix_exit = 1 w/ CGI.pm and FCGI.pm
- Improved MCE + Tk interaction
- Support input_data with nested arrays in MCE models
- Improved relaying
- Workers persistent unless shut down explicitly w/ Mojolicious
- Fixed bugs with MCE-in-threads
- Ensure uniqueness of random numbers between workers

Package-Manager: portage-2.3.2