package/kyua: bump to version 0.13
COPYING was renamed into LICENSE since version 0.12 and
https://github.com/jmmv/kyua/commit/db509f9d9ece719bf8452d6ddbc842ae311b1bc2
So update KYUA_LICENSE_FILES and add hash for LICENSE file
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>