package/utf8proc: bump version to 2.6.0
Reformatted hashes.
Release notes:
https://github.com/JuliaStrings/utf8proc/releases/tag/v2.6.0
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>