multimedia/avidemux-*: bump versions following x265 update

These ports were unfortunately forgotten due to only indirectly grabbing
the dependency from avidemux. Bump them as with multimedia/avidemux.

Reported by: Kevin Oberman <rkoberman@gmail.com>
Approved by: portmgr (build fix blanket)
Fixes: 90e15809d954e2ef0c018d4e1543c7fee56dfc64
MFH: 2024Q4

(cherry picked from commit ac8d76f243449a9d0d8d305e4191744c3a094d5d)