Catalyst::Plugin::Cache::Store::FastMmap(3pm) on Linux

The text 68ea283f3951, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.

DEPRECATED - FastMmap cache store for Catalyst::Plugin::Cache.

Catalyst::Plugin::Cache::Store::FastMmap(3pm) on Linux now