* main: (38 commits)
  pythongh-92886: make test_ast pass with -O (assertions off) (pythonGH-98058)
  pythongh-92886: make test_coroutines pass with -O (assertions off) (pythonGH-98060)
  pythongh-57179: Add note on symlinks for os.walk (python#94799)
  pythongh-94808: Fix regex on exotic platforms (python#98036)
  pythongh-90085: Remove vestigial -t and -c timeit options (python#94941)
  pythonGH-83901: Improve Signature.bind error message for missing keyword-only params (python#95347)
  pythongh-61105: Add default param, note on using cookiejar subclass (python#95427)
  pythongh-96288: Add a sentence to `os.mkdir`'s docstring. (python#96271)
  pythongh-96073: fix backticks in NEWS entry (pythonGH-98056)
  pythongh-92886: [clinic.py] raise exception on invalid input instead of assertion (pythonGH-98051)
  pythongh-97997: Add col_offset field to tokenizer and use that for AST nodes (python#98000)
  pythonGH-88968: Reject socket that is already used as a transport (python#98010)
  pythongh-96346: Use double caching for re._compile() (python#96347)
  pythongh-91708: Revert params note in urllib.parse.urlparse table (python#96699)
  pythongh-96265: Fix some formatting in faq/design.rst (python#96924)
  pythongh-73196: Add namespace/scope clarification for inheritance section (python#92840)
  pythongh-97646: Change `.js` and `.mjs` files mimetype to conform to RFC 9239 (python#97934)
  pythongh-97923: Always run Ubuntu SSL tests with others in CI (python#97940)
  pythongh-97956: Mention `generate_global_objects.py` in `AC How-To` (python#97957)
  pythongh-96959: Update HTTP links which are redirected to HTTPS (python#98039)
  ...

…RFC 9239 (python#97934)