[Snyk] Security upgrade handlebars from 4.5.3 to 4.6.0#6

snyk-bot wants to merge 2 commits intomastertimscharfenort/nodejs.org:masterfrom

snyk-fix-300a53bf961a9fdf6348ad6f51e8560etimscharfenort/nodejs.org:snyk-fix-300a53bf961a9fdf6348ad6f51e8560eCopy head branch name to clipboard