package/libbytesize: bump to version 2.7
https://github.com/storaged-project/libbytesize/releases/tag/2.7
https://github.com/storaged-project/libbytesize/blob/2.7/NEWS.rst
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>