pip: bump the pip-packages group with 3 updates #305

Job	Run time
sync / sync	38s
check / Lint translations	40s
check / Build docs (latex)	7m 36s
check / Check for zero-width space characters	5s
check / Build docs (html)	7m 27s
check / Build docs (epub)	7m 17s
check / Build docs (pdf)	11m 22s
	35m 5s

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