PYTHON-4677 Specify how maxTimeMS can be set for explain helpers #7816

Job	Run time
CPython pypy-3.10-ubuntu-latest	10m 16s
Link Check	3m 38s
Docs Checks	52s
CPython 3.13-ubuntu-latest	8m 56s
Typing Tests (3.9)	1m 8s
CPython 3.9-ubuntu-latest	9m 20s
Make an sdist	15s
static	3m 5s
Test using minimum dependencies and supported Python	40s
CPython 3.13t-ubuntu-latest	9m 13s
Test async's minimum dependencies and Python	42s
DocTest	48s
Typing Tests (3.11)	1m 10s
Install from SDist and Test	49s
	50m 52s

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