Log Message:
sysutils/felix: update to 2.12.0

v2.12.0 (2024-01-28)
Added
 - :config to point to the config file if exists.
 - felix listens to the change of the config file, and re-read the config
   automatically (after some key inputs).

Changed
 - Refactor around _run and State::new().
     - Add config_path field to State.

Fixed
 - symlink path and operations with it on Windows.