PYTHON-5289 Fixes indentation in docstring of Binary.from_vector #7796

Job	Run time
static	4m 5s
Make an sdist	16s
Test async's minimum dependencies and Python	36s
CPython 3.13-ubuntu-latest	8m 58s
Docs Checks	45s
CPython 3.13t-ubuntu-latest	9m 14s
CPython 3.9-ubuntu-latest	9m 9s
DocTest	1m 16s
Test using minimum dependencies and supported Python	29s
Link Check	2m 52s
Typing Tests (3.9)	1m 7s
CPython pypy-3.10-ubuntu-latest	10m 15s
Typing Tests (3.11)	1m 1s
Install from SDist and Test	52s
	50m 55s

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