[bug] Conan profile detect sets arch to x86_64 on native ARM64 Windows

[jcar87]

Environment details

• Operating System+version: Windows 11, arm64
• Compiler+version: Visual Studio 2022, latest update
• Conan version: 2.0.10
• Python version:

Steps to reproduce

conan profile detect

Logs

Found msvc 17
Detected profile:
[settings]
arch=x86_64
build_type=Release
compiler=msvc
compiler.cppstd=14
compiler.runtime=dynamic
compiler.version=193
os=Windows

WARN: This profile is a guess of your environment, please check it.
WARN: The output of this command is not guaranteed to be stable and can change in future Conan versions.
WARN: Use your own profile files for stability.

With the native ARM64 toolchain installed - this should default to armv8

This is a small issue here:

conan/conans/client/conf/detect.py

Lines 334 to 336 in e127e23

	elif "arm64" in machine:
	return "armv8"
	elif "64" in machine:

where platform.machine() returns ARM64 (upper case), which is not considered in the conditional, so it falls back to "contains 64" and maps to x86_64