Tidy dependent modules to reflect `github.com/spf13/pflag` bump #1482

Job	Run time
run-determination	1s
check-errors (./)	45s
check-outdated (./)	14s
check-style (./)	27s
check-errors (docsgen)	39s
check-outdated (docsgen)	13s
check-errors (ruledocsgen)	38s
check-style (docsgen)	27s
check-outdated (ruledocsgen)	14s
check-style (ruledocsgen)	26s
check-config (./)	20s
check-config (docsgen)	19s
check-formatting (./)	12s
check-formatting (docsgen)	13s
check-config (ruledocsgen)	17s
check-formatting (ruledocsgen)	13s
	5m 38s

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