PYTHON-5491 Skip non-idempotent dropIndex tests (#2467) [v4.14] (#2468) #7915

Job	Run time
static	3m 13s
CPython 3.9-ubuntu-latest	9m 11s
Make an sdist	10s
CPython pypy-3.10-ubuntu-latest	10m 31s
DocTest	1m 0s
Test using minimum dependencies and supported Python	30s
Test async's minimum dependencies and Python	45s
Docs Checks	49s
CPython 3.13t-ubuntu-latest	8m 59s
Typing Tests (3.9)	1m 7s
CPython 3.13-ubuntu-latest	9m 5s
Link Check	4m 42s
Typing Tests (3.11)	1m 7s
Install from SDist and Test	41s
	51m 50s

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