Fix In-Use Encryption examples (#2457) #7872

Job	Run time
Test async's minimum dependencies and Python	40s
Test using minimum dependencies and supported Python	29s
CPython 3.9-ubuntu-latest	9m 2s
Typing Tests (3.11)	1m 4s
CPython pypy-3.10-ubuntu-latest	10m 22s
Typing Tests (3.9)	1m 5s
static	3m 25s
Link Check	1m 44s
CPython 3.13-ubuntu-latest	8m 58s
Make an sdist	10s
DocTest	1m 4s
Docs Checks	50s
CPython 3.13t-ubuntu-latest	9m 0s
Install from SDist and Test	42s
	48m 35s

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