[ONNX] Add stack info to diagnostics (#87258)
~~Investigating strange bug releasing 'graph' right when returning from `_C._jit_pass_onnx`.~~
~~Can be repro-ed locally via `test_cpp_diagnose`, with changes in this PR.~~
Resolved by https://github.com/pytorch/pytorch/pull/87829.
This PR adds methods to record stack backtrace information to diagnostics.
* #87830
Pull Request resolved: https://github.com/pytorch/pytorch/pull/87258
Approved by: https://github.com/abock
