CMake: Rename serenity_* helper functions/macros to ladybird_*

Author: https://github.com/ayeteadoe
Commit: 25f5936dee
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5249
Reviewed-by: https://github.com/gmta ✅

Libraries/LibRequests/CMakeLists.txt

@@ -10,5 +10,5 @@ set(GENERATED_SOURCES
     ../../Services/RequestServer/RequestServerEndpoint.h
 )
 
-serenity_lib(LibRequests requests)
+ladybird_lib(LibRequests requests)
 target_link_libraries(LibRequests PRIVATE LibCore LibIPC)