[docs] [issue8041] No documentation for Py_TPFLAGS_HAVE_STACKLESS_EXTENSION or Py_TPFLAGS_HAVE_VERSION_TAG.

Change by Irit Katriel iritkatriel@yahoo.com:

---------- versions: +Python 3.10, Python 3.8, Python 3.9 -Python 3.1, Python 3.2, Python 3.3

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