Add `APX` ISA extension #1006

Job	Run time
MSBuild build (windows-2022)	1m 22s
CMake build + tests (macos-latest )	13s
Amalgamated build (Ubuntu 22.04)	4s
CMake build + tests (macos-latest -DZYAN_NO_LIBC=ON)	11s
fuzzing (address)	1m 19s
CMake build + tests (windows-2022 )	52s
fuzzing (undefined)	1m 25s
Meson build + tests (macos-latest, debug default)	19s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	45s
fuzzing (memory)	1m 21s
Meson build + tests (windows-2022, debug default)	1m 53s
CMake build + tests (ubuntu-22.04 )	7s
Meson build + tests (ubuntu-22.04, debug default)	20s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	8s
Meson build + tests (windows-2022, debug NO_LIBC)	1m 36s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	8s
Meson build + tests (ubuntu-22.04, debug NO_LIBC)	9s
CMake build + tests (windows-2022 -TClangCL)	1m 41s
Meson build + tests (macos-latest, release default)	20s
Meson build + tests (windows-2022, release default)	2m 3s
Meson build + tests (ubuntu-22.04, release default)	21s
Meson build + tests (windows-2022, release NO_LIBC)	45s
Meson build + tests (ubuntu-22.04, release NO_LIBC)	21s
Meson build + tests (ubuntu-22.04, minsize )	20s
	18m 3s

Provide feedback