DOC: fix ES01 for pandas.DataFrame.set_flags and pandas.Series.set_fl… #47125

Job	Run time
ASV Benchmarks	23m 15s
Build Docker Dev Environment	2m 28s
Docstring validation, typing, and other manual pre-commit hooks	16m 48s
Test install requirements-dev.txt	1m 44s
	44m 15s

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