ci: fix version listing #1959

Job	Run time
Build docs (1.10.3, tags, 3.10, 4.5.0, 0.7.1, 3.1.1)	1m 37s
Build docs (1.11.1, tags, 3.10, 4.5.0, 0.7.1, 3.1.1)	1m 40s
Build docs (master, heads, 3.10, 4.5.0, 0.7.1, 3.1.1)	1m 42s
Build docs (maintenance, heads, 3.12, 8.2.3, 1.0.0, 3.1.1)	1m 43s
Deploy docs	11s
	6m 53s

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