package/libbytesize: bump to version 2.6

https://github.com/storaged-project/libbytesize/releases/tag/2.6
https://github.com/storaged-project/libbytesize/blob/2.6/NEWS.rst

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libbytesize/libbytesize.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  6305addae2b7be313dbfc36b96094ec0544d5144859ab4a5685ca6d314d6fdda  libbytesize-2.5.tar.gz
+sha256  efaa2b35b2bb3b52bf7b4ff5d0ed2c5c61360a5196053808d615dd0aa2cf0741  libbytesize-2.6.tar.gz
 sha256  97bdc721d875501b6243a456333fdfdb1ab64d31c4da2554de845caf4674b946  LICENSE

package/libbytesize/libbytesize.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBBYTESIZE_VERSION = 2.5
+LIBBYTESIZE_VERSION = 2.6
 LIBBYTESIZE_SITE = https://github.com/storaged-project/libbytesize/releases/download/$(LIBBYTESIZE_VERSION)
 LIBBYTESIZE_LICENSE = LGPL-2.1+
 LIBBYTESIZE_LICENSE_FILES = LICENSE