Bump eventsource and webpack-dev-server in /typescript-masterclass#16

dependabot[bot] wants to merge 1 commit intomasterAkash52/awesome-javascript-concepts:masterfrom

dependabot/npm_and_yarn/typescript-masterclass/eventsource-and-webpack-dev-server--removedAkash52/awesome-javascript-concepts:dependabot/npm_and_yarn/typescript-masterclass/eventsource-and-webpack-dev-server--removedCopy head branch name to clipboard