PYTHON-5421 continued - update changelog, update docstring, and add testing #7733

Job	Run time
Link Check	2m 35s
static	3m 41s
Test using minimum dependencies and supported Python	28s
Docs Checks	47s
Typing Tests (3.9)	1m 13s
Make an sdist	12s
Test async's minimum dependencies and Python	34s
DocTest	51s
Typing Tests (3.11)	1m 5s
CPython 3.13t-ubuntu-latest	9m 24s
CPython 3.13-ubuntu-latest	8m 55s
CPython 3.9-ubuntu-latest	9m 0s
CPython pypy-3.10-ubuntu-latest	10m 18s
Install from SDist and Test	45s
	49m 48s

Provide feedback