Add `APX` ISA extension #896

Job	Run time
MSBuild build (windows-2022)	1m 14s
fuzzing (address)	1m 9s
Amalgamated build (Ubuntu 22.04)	8s
fuzzing (undefined)	1m 7s
CMake build + tests (macOS-latest )	24s
fuzzing (memory)	1m 20s
CMake build + tests (macOS-latest -DZYAN_NO_LIBC=ON)	18s
CMake build + tests (windows-2022 )	1m 14s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	39s
CMake build + tests (ubuntu-22.04 )	13s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	8s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	28s
CMake build + tests (windows-2022 -TClangCL)	3m 42s
	12m 4s

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