Docs: Fix supported targets in updating docs #553

Job	Run time
containers (mypy)	2m 21s
containers (doc)	51s
containers (pep8)	1m 28s
containers (pylama)	54s
containers (pytest_centos_stream8)	1m 31s
containers (pytest_debian_buster)	1m 21s
containers (pytest_debian_bullseye)	1m 33s
containers (pytest_fedora_36)	1m 28s
containers (pytest_fedora_37)	1m 40s
containers (pytest_ubuntu_bionic)	1m 7s
containers (pytest_ubuntu_focal)	3m 12s
	17m 26s

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