[Snyk] Security upgrade highlight.js from 9.13.1 to 9.18.2#44

Open

snyk-bot wants to merge 1 commit intomasterfrom

snyk-fix-c9fe4223afe74f61000902383aded1bb

Commits on Nov 26, 2020

fix: extensions/markdown-language-features/package.json & extensions/markdown-language-features/yarn.lock to reduce vulnerabilities
snyk-bot
committed