ProjectExplorer: Fix Windows Arm64 MSVC compilers detection

Microsoft offers cross-compilers for the Arm64 architecture.

Windows 11 Arm64 can emulate the x86 and x64 architecture so the
binaries that can be run should be taken into consideration.

Change-Id: I330c15a2c543eada9f7c939887ce13a1dd7559fd
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: David Schulz <david.schulz@qt.io>

src/libs/utils/hostosinfo.cpp

@@ -65,6 +65,7 @@ HostOsInfo::HostArchitecture HostOsInfo::hostArchitecture()
     case PROCESSOR_ARCHITECTURE_IA64:
         return HostOsInfo::HostArchitectureItanium;
     case PROCESSOR_ARCHITECTURE_ARM:
+    case PROCESSOR_ARCHITECTURE_ARM64:
         return HostOsInfo::HostArchitectureArm;
     default:
         return HostOsInfo::HostArchitectureUnknown;