Attempt to fix sphinx generation #2405

Job	Run time
Prepare	1m 5s
checks / other-checks	1m 6s
CI Pipeline / Check	8m 16s
CI Pipeline / Build (amd64)	8m 37s
checks / check-style	1m 46s
CI Pipeline / Build (arm64)	5m 45s
CI Pipeline / Test (amd64)	31m 30s
CI Pipeline / Test (arm64)	23m 11s
CI Pipeline / Documentation	25m 15s
CI Pipeline / Conda Package (amd64)	2m 25s
CI Pipeline / Conda Package (arm64)	2m 35s
pr-builder	0s
	1h 51m 31s

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