package/mawk: bump version to 1.3.4-20250131
For change log, see:
https://invisible-mirror.net/mawk/CHANGES.html#index-t20250131
Signed-off-by: Ismael Luceno <ismael@iodev.co.uk>
[Julien: add link to change log]
Signed-off-by: Julien Olivain <ju.o@free.fr>