[Snyk] Upgrade metalsmith from 2.3.0 to 2.6.3#367

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

snyk-upgrade-dc8bb060860c9f57d13df6e5b5b1570fYoYBaBy/nodejs.org:snyk-upgrade-dc8bb060860c9f57d13df6e5b5b1570fCopy head branch name to clipboard