chore(deps-dev): bump typescript from 3.9.7 to 3.9.9#182

dependabot-preview[bot] wants to merge 1 commit intomasterLeetCode-OpenSource/markdown-it-broken-image-placeholder:masterfrom

dependabot/npm_and_yarn/typescript-3.9.9LeetCode-OpenSource/markdown-it-broken-image-placeholder:dependabot/npm_and_yarn/typescript-3.9.9Copy head branch name to clipboard