Add `APX` ISA extension #1010

Job	Run time
MSBuild build (windows-2022)	37s
CMake build + tests (macos-latest )	13s
Amalgamated build (Ubuntu 22.04)	4s
CMake build + tests (macos-latest -DZYAN_NO_LIBC=ON)	14s
CMake build + tests (windows-2022 )	38s
Meson build + tests (macos-latest, debug default)	25s
fuzzing (address)	1m 22s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	34s
Meson build + tests (windows-2022, debug default)	1m 20s
fuzzing (undefined)	1m 20s
CMake build + tests (ubuntu-22.04 )	18s
Meson build + tests (ubuntu-22.04, debug default)	22s
fuzzing (memory)	1m 33s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	6s
Meson build + tests (windows-2022, debug NO_LIBC)	1m 42s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	5s
Meson build + tests (ubuntu-22.04, debug NO_LIBC)	10s
CMake build + tests (windows-2022 -TClangCL)	2m 9s
Meson build + tests (macos-latest, release default)	20s
Meson build + tests (windows-2022, release default)	2m 8s
Meson build + tests (ubuntu-22.04, release default)	23s
Meson build + tests (windows-2022, release NO_LIBC)	1m 39s
Meson build + tests (ubuntu-22.04, release NO_LIBC)	23s
Meson build + tests (ubuntu-22.04, minsize )	28s
	18m 33s

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