* main: (103 commits)
  pythongh-100248: Add missing `ssl_shutdown_timeout` parameter in `asyncio` docs (python#100249)
  Assorted minor fixes for specialization stats. (pythonGH-100219)
  pythongh-100176: venv: Remove redundant compat code for Python <= 3.2 (python#100177)
  pythonGH-100222: Redefine _Py_CODEUNIT as a union to clarify structure of code unit. (pythonGH-100223)
  pythongh-99955: undef ERROR and SUCCESS before redefining (fixes sanitizer warning) (python#100215)
  pythonGH-100206: use versionadded for the addition of sysconfig.get_default_scheme (python#100207)
  pythongh-81057: Move _Py_RefTotal to the "Ignored Globals" List (pythongh-100203)
  pythongh-81057: Move Signal-Related Globals to _PyRuntimeState (pythongh-100085)
  pythongh-81057: Move faulthandler Globals to _PyRuntimeState (pythongh-100152)
  pythongh-81057: Move tracemalloc Globals to _PyRuntimeState (pythongh-100151)
  pythonGH-100143: Improve collecting pystats for parts of runs (pythonGH-100144)
  pythongh-99955: standardize return values of functions in compiler's code-gen (python#100010)
  pythongh-79218: Define `MS_WIN64` macro for Mingw-w64 64bit on Windows (pythonGH-100137)
  Fix: typo (Indention) (pythonGH-99904)
  pythongh-96715 Remove redundant NULL check in `profile_trampoline` function (python#96716)
  pythongh-100176: remove incorrect version compatibility check from argument clinic (python#100190)
  clarify the 4300-digit limit on int-str conversion (python#100175)
  pythongh-70393: Clarify mention of "middle" scope (python#98839)
  pythongh-99688: Fix outdated tests in test_unary (python#99712)
  pythongh-100174: [Enum] Correct PowersOfThree example. (pythonGH-100178)
  ...