cmake utf8_range examples

apple/foundationdb cmake/FDBComponents.cmake :271 

find_package(utf8_range CONFIG)

keenon/nimblephysics cmake/DARTFindgRPC.cmake :50 

find_package(utf8_range REQUIRED)

eclipse-cyclonedds/cyclonedds fuzz/fuzz_handshake/CMakeLists.txt :19 

find_package(utf8_range REQUIRED CONFIG)