PYTHON-5543 PyMongoBaseProtocol should inherit from asyncio.BaseProto… #8158

Job	Run time
CPython pypy-3.10-ubuntu-latest	12m 17s
static	2m 54s
CPython 3.9-ubuntu-latest	11m 23s
Docs Checks	46s
DocTest	1m 7s
Typing Tests (3.9)	59s
Link Check	1m 38s
Typing Tests (3.11)	58s
Test using minimum dependencies and supported Python	40s
Test async's minimum dependencies and Python	49s
Make an sdist	16s
CPython 3.13t-ubuntu-latest	11m 33s
Install from SDist and Test	46s
	46m 6s

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