Add Sphinx to Py deps #79

Job	Run time
Build CI container for debian-10-3.9	3m 17s
Build CI container for debian-10-3.9	3m 23s
Build CI container for debian-11-3.10	2m 24s
Build CI container for debian-11-3.10	2m 24s
Build CI container for debian-i386-11-3.10	3m 36s
Build CI container for debian-i386-11-3.10	3m 36s
Build CI container for debian-12-3.10	2m 28s
Build CI container for debian-12-3.10	2m 28s
Build CI container for fedora-37-3.9	2m 21s
Build CI container for fedora-37-3.9	2m 21s
Build CI container for fedora-38-3.10	1m 55s
Build CI container for fedora-38-3.10	1m 55s
Build CI container for fedora-39-3.10	1m 50s
Build CI container for fedora-39-3.10	1m 50s
Build CI container for fedora-40-3.10	1m 43s
Build CI container for fedora-40-3.10	1m 43s
Build CI container for ubuntu-18.04-3.8	6m 9s
Build CI container for ubuntu-18.04-3.8	6m 9s
Build CI container for ubuntu-18.04-3.9	4m 6s
Build CI container for ubuntu-18.04-3.9	4m 6s
Build CI container for ubuntu-20.04-3.9	3m 8s
Build CI container for ubuntu-20.04-3.9	3m 8s
Build CI container for ubuntu-22.04-3.9	36s
Build CI container for ubuntu-22.04-3.9	33s
Build CI container for ubuntu-24.04-3.10	2m 51s
Build CI container for ubuntu-24.04-3.10	2m 51s
	1h 12m 51s

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