Bump github.com/olekukonko/tablewriter in /ruledocsgen #1684

Job	Run time
run-determination	3s
check-errors (./)	46s
check-formatting (docsgen)	20s
check-formatting (./)	17s
check-outdated (./)	14s
check-errors (docsgen)	44s
check-style (./)	24s
check-style (ruledocsgen)	28s
check-outdated (ruledocsgen)	16s
check-config (./)	19s
check-config (docsgen)	20s
check-errors (ruledocsgen)	50s
check-outdated (docsgen)	15s
check-formatting (ruledocsgen)	17s
check-config (ruledocsgen)	21s
check-style (docsgen)	23s
	6m 17s

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