Bump sphinx from 5.3.0 to 7.1.1 #1747

Job	Run time
python 3.9 - Lint	1m 24s
python 3.9 - Type check	1m 56s
python 3.9 - Build	1m 29s
python 3.9 - Style	34s
python 3.9 - Docs	1m 28s
python 3.9 - Test	24s
python 3.9 - Datasets integration	23s
python 3.9 - PyTorch integration	52s
python 3.9 - Transformers integration	1m 36s
python 3.9 - FairScale integration	54s
python 3.9 - W&B integration	1m 27s
python 3.9 - Beaker integration	26s
python 3.9 - Flax integration	1m 34s
python 3.9 - GS integration	27s
python 3.9 - Example - train_lm	1m 28s
python 3.8 - Test	22s
python 3.10 - Test	24s
GPU Tests	17s
Release	0s
	17m 25s

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