Add `APX` ISA extension #1028

Job	Run time
CMake build + tests (macos-latest )	13s
Meson build + tests (macos-latest, debug default)	19s
CMake build + tests (macos-latest -DZYAN_NO_LIBC=ON)	12s
CMake build + tests (windows-2022 )	1m 5s
Meson build + tests (windows-2022, debug default)	51s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	31s
Meson build + tests (ubuntu-22.04, debug default)	37s
Amalgamated build (Ubuntu 22.04)	4s
CMake build + tests (ubuntu-22.04 )	17s
Meson build + tests (windows-2022, debug NO_LIBC)	45s
fuzzing (address)	11m 31s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	31s
Meson build + tests (ubuntu-22.04, debug NO_LIBC)	22s
fuzzing (undefined)	11m 29s
MSBuild build (windows-2022)	1m 21s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	15s
Meson build + tests (macos-latest, release default)	25s
fuzzing (memory)	10m 26s
CMake build + tests (windows-2022 -TClangCL)	2m 24s
Meson build + tests (windows-2022, release default)	1m 34s
Meson build + tests (ubuntu-22.04, release default)	16s
Meson build + tests (windows-2022, release NO_LIBC)	1m 33s
Meson build + tests (ubuntu-22.04, release NO_LIBC)	10s
Meson build + tests (ubuntu-22.04, minsize )	14s
	47m 25s

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