PYTHON-5413 Handle flaky tests #7705

Job	Run time
static	3m 38s
Docs Checks	50s
CPython 3.13-ubuntu-latest	8m 53s
Link Check	3m 54s
DocTest	53s
CPython 3.9-ubuntu-latest	9m 3s
CPython 3.13t-ubuntu-latest	8m 58s
Typing Tests (3.11)	1m 14s
CPython pypy-3.10-ubuntu-latest	10m 17s
Typing Tests (3.9)	1m 9s
Make an sdist	11s
Test using minimum dependencies and supported Python	32s
Test async's minimum dependencies and Python	38s
Install from SDist and Test	44s
	50m 54s

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