Bump golang.org/x/crypto from 0.27.0 to 0.31.0 in /docsgen #1408

Job	Run time
run-determination	1s
check-errors (./)	36s
check-errors (docsgen)	37s
check-outdated (./)	8s
check-errors (ruledocsgen)	33s
check-style (./)	15s
check-outdated (docsgen)	9s
check-style (docsgen)	23s
check-outdated (ruledocsgen)	12s
check-style (ruledocsgen)	28s
check-config (./)	24s
check-config (docsgen)	13s
check-formatting (./)	1m 20s
check-config (ruledocsgen)	15s
check-formatting (docsgen)	10s
check-formatting (ruledocsgen)	13s
	5m 57s

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