build(deps): bump golang.org/x/crypto from 0.0.0-20201117144127-c1f2f97bffc9 to 0.31.0 in /slash-evidence#38

dependabot[bot] wants to merge 1 commit intomainoasisprotocol/tools:mainfrom

dependabot/go_modules/slash-evidence/golang.org/x/crypto-0.31.0oasisprotocol/tools:dependabot/go_modules/slash-evidence/golang.org/x/crypto-0.31.0Copy head branch name to clipboard