package/cppunit: bump version to 1.14.0
Release notes:
https://cgit.freedesktop.org/libreoffice/cppunit/tree/NEWS
Added sha256 hash provided by upstream, and therefore drop our locally
calculated sha512 hash. Add hash for the license file as well.
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>