v3.13.15
gh-111089: Revert PyUnicode_AsUTF8() changes (#111833)
gh-110964: Remove private _PyArg functions (#110966)
[3.13] gh-150285: Fix too long docstrings in builtins (GH-150293) (GH-150466) (GH-150472)
[3.13] gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) (GH-150350) (GH-150473) (GH-150526)
gh-117680: make _PyInstructionSequence a PyObject and use it in tests (#117629)
gh-117764: Fix and add signatures for many builtins (GH-117769)