Broader aarch64 compatibility

[lmangani]

Additional build flag for broader compatibility with ARM7/8 aarch64 CPUs for both libchdb bindings and python releases

NOTE: Once merged, libchdb builder will need to be updated to assume compatibility

[auxten]

• Move -DNO_ARMV81_OR_HIGHER=1 to CPU_FEATURES
• macOS arm64 support ARMv8.4-A