cmake Utf8Proc examples

ceph/ceph src/CMakeLists.txt :1141 

find_package(utf8proc 2.2.0 REQUIRED)

cvet/fonline ThirdParty/mongo-c-driver/src/libmongoc/CMakeLists.txt :765 

find_package(Utf8Proc REQUIRED)

buggins/coolreader CMakeLists.txt :317 

find_package(utf8proc)