As noted in PEP 703 C API functions that return borrowed references are problematic in the nogil build.

We need to audit our usages and replace any that upgrade a borrowed reference to an owned reference with alternate C API functions that return new references.

Problematic Functions:

• PyList_GetItem (MNT: migrate PyList_GetItem usages to PyList_GetItemRef #26246)
• PyList_GET_ITEM (all existing usages are in argument parsing)
• PyDict_GetItem
• PyDict_GetItemWithError
• PyDict_Next
• PyDict_GetItemString (ENH: fix thread-unsafe C API usages #27145 for the PyDict items).
• _PyDict_GetItemStringWithError (MNT: replace _PyDict_GetItemStringWithError with PyDict_GetItemStringRef #26282)
• Some sort of linter to force us to audit new usages of problematic functions.