Add `APX` ISA extension #1021

Job	Run time
fuzzing (address)	1m 23s
Amalgamated build (Ubuntu 22.04)	6s
fuzzing (undefined)	1m 22s
CMake build + tests (macos-latest )	13s
fuzzing (memory)	1m 27s
Meson build + tests (macos-latest, debug default)	21s
CMake build + tests (macos-latest -DZYAN_NO_LIBC=ON)	12s
Meson build + tests (windows-2022, debug default)	1m 33s
MSBuild build (windows-2022)	1m 37s
CMake build + tests (windows-2022 )	1m 12s
Meson build + tests (ubuntu-22.04, debug default)	13s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	46s
Meson build + tests (windows-2022, debug NO_LIBC)	1m 42s
CMake build + tests (ubuntu-22.04 )	9s
Meson build + tests (ubuntu-22.04, debug NO_LIBC)	11s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	16s
Meson build + tests (macos-latest, release default)	22s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	5s
Meson build + tests (windows-2022, release default)	1m 42s
CMake build + tests (windows-2022 -TClangCL)	1m 39s
Meson build + tests (ubuntu-22.04, release default)	15s
Meson build + tests (windows-2022, release NO_LIBC)	1m 43s
Meson build + tests (ubuntu-22.04, release NO_LIBC)	14s
Meson build + tests (ubuntu-22.04, minsize )	15s
	18m 58s

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