Tidy dependent modules to reflect `golang.org/x/net` bump #1460

Job	Run time
run-determination	1s
check-errors (./)	38s
check-errors (docsgen)	37s
check-config (./)	17s
check-errors (ruledocsgen)	37s
check-config (docsgen)	16s
check-config (ruledocsgen)	18s
check-outdated (./)	15s
check-formatting (./)	13s
check-outdated (docsgen)	13s
check-formatting (docsgen)	12s
check-outdated (ruledocsgen)	14s
check-formatting (ruledocsgen)	12s
check-style (./)	27s
check-style (docsgen)	27s
check-style (ruledocsgen)	20s
	5m 17s

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