gha: bump the github-actions group with 2 updates (#289) #673

Job	Run time
sync / sync	57s
check / Lint translations	49s
check / Build docs (html)	6m 37s
check / Check for zero-width space characters	28s
check / Build docs (latex)	6m 23s
check / Build docs (epub)	6m 12s
check / Build docs (pdf)	0s
	21m 26s

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