gh-106320: Remove private _PyErr_WriteUnraisableMsg() (#108863)

Move the private _PyErr_WriteUnraisableMsg() functions to the
internal C API (pycore_pyerrors.h).

Move write_unraisable_exc() from _testcapi to _testinternalcapi.

Victor Stinner committed 2y ago

676593859e75d4c3543d143092b77f55389006e4

Parent: 6304d98

Committed by GitHub <noreply@github.com> on 9/4/2023, 11:54:55 PM