community/libretro-bk: upgrade to 0_git20240628
https://github.com/libretro/bk-emulator/commits/master
Includes a fix for a -Wincompatible-pointer-types
error with gcc 14.
https://github.com/libretro/bk-emulator/commits/master
Includes a fix for a -Wincompatible-pointer-types
error with gcc 14.