net/kamailio: Update to 5.4.4

While here, appease portclippy and portfmt.

Changes: https://www.kamailio.org/pub/kamailio/5.4.4/ChangeLog
PR: 254187
Submitted by: Dmitry Wagin <dmitry.wagin@ya.ru> (maintainer)
Approved by: fernape (mentor)
Differential Revision: https://reviews.freebsd.org/D29188