disable `scaled_ylm_std()` when using Apple Clang #254

Job	Run time
macOS Build and Test	18m 23s
NVIDIA Build (No Test) (ON, OFF)	19m 34s
NVIDIA Build (No Test) (OFF, OFF)	20m 4s
NVIDIA Build (No Test) (OFF, ON)	20m 3s
Debug Build and Test	36m 44s
Release Build and Test (gnu, 12, ON, OFF)	27m 21s
Release Build and Test (gnu, 12, ON, ON)	21m 32s
Release Build and Test (gnu, 12, OFF, ON)	20m 23s
Release Build and Test (llvm, 19, ON, OFF)	26m 46s
Release Build and Test (llvm, 19, OFF, OFF)	18m 28s
Release Build and Test (gnu, 12, OFF, OFF)	23m 52s
Build as Subproject	12m 52s
CMake Discovery	20m 21s
	4h 46m 23s

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