gha: bump the github-actions group with 2 updates (#281) #593

Job	Run time
sync / sync	4m 44s
check / Build docs (epub)	6m 14s
check / Build docs (latex)	6m 46s
check / Lint translations	55s
check / Build docs (html)	6m 36s
check / Check for zero-width space characters	33s
check / Build docs (pdf)	11m 34s
	37m 22s

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