Update branch to include Python 3.14 #608

Job	Run time
sync / sync	4m 4s
check / Build docs (latex)	6m 33s
check / Build docs (html)	5m 58s
check / Check for zero-width space characters	26s
check / Build docs (epub)	5m 55s
check / Lint translations	54s
check / Build docs (pdf)	12m 57s
	36m 47s

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