testing: Change kernel flavor for altlinux

Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>

Author: legionus

testing/testing-altlinux-local

@@ -9,7 +9,7 @@ topdir="${topdir%/*/*}"
 readonly VENDOR=altlinux
 readonly ARCH=x86_64
 readonly IMAGE=alt:sisyphus
-readonly KERNEL_FLAVOR=-std-def
+readonly KERNEL_FLAVOR=-6.12
 
 . "$topdir/testing/packages-$VENDOR"