main/osk-sdl: upgrade to 0.67.1, change font dep and add patch to fix path

the ttf-dejavu package was renamed[1] and the path to the font file changes.

https://gitlab.alpinelinux.org/alpine/aports/-/commit/ee787726123a4ff2dbd19460e53467d891f52456

fixes postmarketos-mkinitfs#15 (closed)