Fix default argument of `parse_ir` stub (#98397)
It's `false` in pybind code but not provided to stub https://github.com/pytorch/pytorch/blob/2987bc0758a6b36b85b436984f85dea457da340f/torch/csrc/jit/python/init.cpp#L1625
Fixes #ISSUE_NUMBER
Pull Request resolved: https://github.com/pytorch/pytorch/pull/98397
Approved by: https://github.com/mikaylagawarecki
