Bump github.com/spf13/cobra from 1.8.1 to 1.9.1 #1496

Job	Run time
run-determination	1s
check-errors (./)	41s
check-outdated (./)	16s
check-outdated (docsgen)	15s
check-outdated (ruledocsgen)	15s
check-errors (docsgen)	18s
check-errors (ruledocsgen)	14s
check-config (./)	20s
check-formatting (./)	15s
check-style (./)	26s
check-config (docsgen)	18s
check-formatting (docsgen)	16s
check-style (docsgen)	23s
check-config (ruledocsgen)	15s
check-formatting (ruledocsgen)	16s
check-style (ruledocsgen)	24s
	4m 53s

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