Switch to new generator and decoder tree representation #1082

Job	Run time
MSBuild build (windows-2022)	47s
CMake build + tests (macos-latest -DZYAN_NO_LIBC=ON)	14s
CMake build + tests (macos-latest )	13s
CMake build + tests (ubuntu-22.04 )	16s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	6s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	40s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	9s
CMake build + tests (windows-2022 )	51s
CMake build + tests (windows-2022 -TClangCL)	54s
Amalgamated build (Ubuntu 22.04)	8s
fuzzing (undefined)	2m 15s
fuzzing (address)	2m 16s
fuzzing (memory)	2m 12s
Meson build + tests (ubuntu-22.04, release default)	35s
Meson build + tests (windows-2022, debug default)	1m 27s
Meson build + tests (ubuntu-22.04, debug default)	33s
Meson build + tests (windows-2022, debug NO_LIBC)	52s
Meson build + tests (windows-2022, release default)	1m 4s
Meson build + tests (ubuntu-22.04, debug NO_LIBC)	16s
Meson build + tests (macos-latest, debug default)	24s
Meson build + tests (macos-latest, release default)	20s
Meson build + tests (windows-2022, release NO_LIBC)	48s
Meson build + tests (ubuntu-22.04, release NO_LIBC)	18s
Meson build + tests (ubuntu-22.04, minsize minimal)	18s
	17m 56s

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