[Snyk] Upgrade @metalsmith/markdown from 1.6.0 to 1.9.2#3

jydmyk wants to merge 1 commit intomainjydmyk/nodejs.org:mainfrom

snyk-upgrade-ed34ef1485cc495e212d6e3004224541jydmyk/nodejs.org:snyk-upgrade-ed34ef1485cc495e212d6e3004224541Copy head branch name to clipboard