Fix sphinx dev (#1189) #452

Job	Run time
build / compute-build-strategy-matrix	24s
build / validate-inputs	1s
build / validate-poetry-lock-file	27s
build / build-branch (0)	10m 9s
build / build-branch (1)	9m 9s
build / build-branch (2)	9m 2s
build / build-branch (3)	9m 56s
build / build-branch (4)	8m 36s
build / build-branch (5)	10m 9s
build / build-branch (6)	10m 13s
build / build-branch (7)	8m 45s
build / build-branch (8)	8m 34s
build / build-branch (9)	8m 42s
build / aggregate_build	2m 59s
upload-staging	0s
upload-dev / upload	1m 55s
upload-dev / trigger-website-build	2s
	1h 39m 3s

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