[Snyk] Upgrade metalsmith from 2.3.0 to 2.6.3#341

YoYBaBy wants to merge 1 commit intomasterYoYBaBy/nodejs.org:masterfrom

snyk-upgrade-41da4df4691bf82ca3570c53bd50f556YoYBaBy/nodejs.org:snyk-upgrade-41da4df4691bf82ca3570c53bd50f556Copy head branch name to clipboard