[Snyk] Upgrade @oclif/plugin-help from 5.2.6 to 5.2.20#4

ak069y wants to merge 1 commit intomasterak069y/accent:masterfrom

snyk-upgrade-770bb4c5b65f16b877a17526868cdb54ak069y/accent:snyk-upgrade-770bb4c5b65f16b877a17526868cdb54Copy head branch name to clipboard