server: update

Author: stduhpf

examples/server/CMakeLists.txt

@@ -3,4 +3,4 @@ set(TARGET sd-server)
 add_executable(${TARGET} main.cpp)
 install(TARGETS ${TARGET} RUNTIME)
 target_link_libraries(${TARGET} PRIVATE stable-diffusion ${CMAKE_THREAD_LIBS_INIT})
-target_compile_features(${TARGET} PUBLIC cxx_std_11)
+target_compile_features(${TARGET} PUBLIC cxx_std_17)