Bump engine.io and karma in /containerized-angular-app/site#13

dependabot[bot] wants to merge 1 commit intomasterlinuxacademy/code-samples:masterfrom

dependabot/npm_and_yarn/containerized-angular-app/site/engine.io-and-karma-6.2.1linuxacademy/code-samples:dependabot/npm_and_yarn/containerized-angular-app/site/engine.io-and-karma-6.2.1Copy head branch name to clipboard