Merge pull request #951 from per1234/bump-xz #1816

Job	Run time
run-determination	4s
check-outdated (docsgen)	21s
check-outdated (.)	18s
check-outdated (ruledocsgen)	18s
check-formatting (.)	20s
check-style (docsgen)	30s
check-formatting (docsgen)	21s
check-style (ruledocsgen)	30s
check-formatting (ruledocsgen)	18s
check-errors (.)	47s
check-style (.)	26s
check-config (.)	25s
check-config (ruledocsgen)	28s
check-errors (ruledocsgen)	49s
check-errors (docsgen)	52s
check-config (docsgen)	23s
	7m 10s

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