Log Message:
Update devel/objfw to 1.2.3

ObjFW 1.2.2 -> ObjFW 1.2.3, 2024-12-15
 * Fixes OFRunLoop not draining the autorelease pool after firing a timer.
 * Adds -fno-constant-ns{number,array,dictionary}-literals to OBJCFLAGS, which
   is required to have literals work with ObjFW with recent Xcode versions.