Bump sphinx-favicon from 1.0.1 to 1.1.0 #20695

Job	Run time
pytestmypy (ubuntu-latest, 3.13, false)	13m 21s
pytestmypy (ubuntu-latest, 3.14, false)	9m 18s
pytestmypy (ubuntu-latest, 3.11, true)	11m 24s
pytestmypy (windows-latest, 3.12, false)	37m 30s
pytestmypy (ubuntu-latest, 3.12, false)	12m 39s
	1h 24m 12s

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