gh-131591: Implement PEP 768 support for FAT mac binaries and 32 bit binaries

[pablogsal]

Signed-off-by: Pablo Galindo pablogsal@gmail.com

• Issue: Implement PEP 768 – Safe external debugger interface for CPython #131591

[pablogsal]

We don't currently have CI so I tested this locally:

~/github/python/main fatmac* .venv ❯ file ./python.exe ./python.exe: Mach-O universal binary with 2 architectures: [x86_64:Mach-O 64-bit executable x86_64] [arm64] ./python.exe (for architecture x86_64):	Mach-O 64-bit executable x86_64 ./python.exe (for architecture arm64):	Mach-O 64-bit executable arm64 ~/github/python/main fatmac* .venv ❯ sudo -E ./python.exe -m test test_sys Using random seed: 2517780431 Raised RLIMIT_NOFILE: 256 -> 1024 0:00:00 load avg: 9.28 Run 1 test sequentially in a single process 0:00:00 load avg: 9.28 [1/1] test_sys 0:00:01 load avg: 8.70 [1/1] test_sys passed == Tests result: SUCCESS == 1 test OK. Total duration: 2.0 sec Total tests: run=91 skipped=8 Total test files: run=1/1 Result: SUCCESS