* origin/main: (1306 commits)
  Correct CVE-2020-10735 documentation (#100306)
  gh-100272: Fix JSON serialization of OrderedDict (GH-100273)
  gh-93649: Split tracemalloc tests from _testcapimodule.c (#99551)
  Docs: Use `PY_VERSION_HEX` for version comparison (#100179)
  gh-97909: Fix markup for `PyMethodDef` members (#100089)
  gh-99240: Reset pointer to NULL when the pointed memory is freed in argument parsing (#99890)
  gh-99240: Reset pointer to NULL when the pointed memory is freed in argument parsing (#99890)
  GH-98831: Add DECREF_INPUTS(), expanding to DECREF() each stack input (#100205)
  gh-78707: deprecate passing >1 argument to `PurePath.[is_]relative_to()` (GH-94469)
  gh-99540: Constant hash for _PyNone_Type to aid reproducibility (GH-99541)
  gh-100039: enhance __signature__ to work with str and callables (GH-100168)
  gh-99830: asyncio: Document returns of remove_{reader,writer} (#100302)
  "Compound statement" docs: Fix with-statement step indexing (#100286)
  GH-90043: Handle NaNs in COMPARE_OP_FLOAT_JUMP (GH-100278)
  Improve stats presentation for calls. (GH-100274)
  Better stats for `LOAD_ATTR` and `STORE_ATTR` (GH-100295)
  gh-81057: Move the Cached Parser Dummy Name to _PyRuntimeState (#100277)
  Document that zipfile's pwd parameter is a `bytes` object (#100209)
  gh-99767: mark `PyTypeObject.tp_watched` as internal use only in table (#100271)
  Fix typo in introduction.rst (#100266)
  ...