onnxruntime

Update script to find optimizers that potentially need supported opset updates (#12330)

* Update to handle multiline declarations for the kernels which are typical these days.
* Update to new path for the cpu contrib_op kernel registrations.
* Update tools/python/find_optimizer_opset_version_updates_required.py

Co-authored-by: Justin Chu <justinchuby@users.noreply.github.com>