ci: Update version of openal download on AppVeyor
ci: Update version of openal download on AppVeyor

Signed-off-by: Squareys <b4e1335d2c774058f7a95112f52894dcc752fd3f@googlemail.com>

MiUishadow/magnum,MiUishadow/magnum,MiUishadow/magnum,MiUishadow/magnum,MiUishadow/magnum,MiUishadow/magnum