Bump github.com/spf13/pflag from 1.0.5 to 1.0.6 #1481

Job	Run time
run-determination	1s
check-config (./)	16s
check-config (docsgen)	18s
check-errors (./)	40s
check-config (ruledocsgen)	22s
check-errors (docsgen)	17s
check-errors (ruledocsgen)	16s
check-formatting (./)	13s
check-formatting (docsgen)	15s
check-outdated (./)	14s
check-formatting (ruledocsgen)	20s
check-outdated (docsgen)	19s
check-outdated (ruledocsgen)	19s
check-style (./)	22s
check-style (docsgen)	23s
check-style (ruledocsgen)	23s
	4m 58s

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