audio/protracker: Update to 1.51

audio/protracker/Makefile

 PORTNAME=	protracker
-PORTVERSION=	1.50
+PORTVERSION=	1.51
 DISTVERSIONPREFIX=	v
 PORTEPOCH=	2
 CATEGORIES=	audio

audio/protracker/distinfo

-TIMESTAMP = 1658749886
+TIMESTAMP = 1661156815
 SHA256 (protracker-extras-1.tar.gz) = 51a078f344611f6a41e44bab9a8640f363224c41a8a5432f55aeba3bb49fbdbf
 SIZE (protracker-extras-1.tar.gz) = 1267
-SHA256 (8bitbubsy-pt2-clone-v1.50_GH0.tar.gz) = 2a83ae3b8de4320e7873c48c6068dffa935a993eb1ee1ac9ce8201df81a5b263
-SIZE (8bitbubsy-pt2-clone-v1.50_GH0.tar.gz) = 8216835
+SHA256 (8bitbubsy-pt2-clone-v1.51_GH0.tar.gz) = 5d53592a5fa38d69e6efbc8637d91bdb36f983dc3725061eee65273d14020ba2
+SIZE (8bitbubsy-pt2-clone-v1.51_GH0.tar.gz) = 8216859