[3.13] gh-136437: Convert more ``os.path`` functions to positional-only in the docs (GH-136970)#137001

AA-Turner merged 1 commit intopython:3.13python/cpython:3.13from

miss-islington:backport-b31e5d6-3.13miss-islington/cpython:backport-b31e5d6-3.13Copy head branch name to clipboard