Bump version number to 5.0.0 #1036

Job	Run time
MSBuild build (windows-2022)	1m 13s
Amalgamated build (Ubuntu 22.04)	7s
fuzzing (address)	8m 58s
CMake build + tests (macos-latest )	12s
fuzzing (undefined)	9m 21s
Meson build + tests (macos-latest, debug default)	19s
CMake build + tests (macos-latest -DZYAN_NO_LIBC=ON)	10s
fuzzing (memory)	8m 17s
CMake build + tests (windows-2022 )	1m 15s
Meson build + tests (windows-2022, debug default)	2m 7s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	57s
Meson build + tests (ubuntu-22.04, debug default)	11s
CMake build + tests (ubuntu-22.04 )	9s
Meson build + tests (windows-2022, debug NO_LIBC)	1m 7s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	8s
Meson build + tests (ubuntu-22.04, debug NO_LIBC)	11s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	5s
Meson build + tests (macos-latest, release default)	18s
CMake build + tests (windows-2022 -TClangCL)	1m 43s
Meson build + tests (windows-2022, release default)	1m 1s
Meson build + tests (ubuntu-22.04, release default)	15s
Meson build + tests (windows-2022, release NO_LIBC)	1m 56s
Meson build + tests (ubuntu-22.04, release NO_LIBC)	8s
Meson build + tests (ubuntu-22.04, minsize minimal)	21s
	40m 29s

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