Load CLR with Python.NET

### What happened?

# The Problem
Arm64 is not supported with current DOTNET_ROOT setting

```
❯ uname -a
Darwin 192.168.nate.com 23.6.0 Darwin Kernel Version 23.6.0: Mon Jul 29 21:14:21 PDT 2024; root:xnu-10063.141.2~1/RELEASE_ARM64_T8103 arm64
```