[Snyk] Upgrade mkdirp from 0.5.5 to 0.5.6#3

zeltas wants to merge 1 commit intomasterzeltas/https-github.com-inkle-inky:masterfrom

snyk-upgrade-02c6cbf7c5ab61fb49120a853b6d98f8zeltas/https-github.com-inkle-inky:snyk-upgrade-02c6cbf7c5ab61fb49120a853b6d98f8Copy head branch name to clipboard