Bump ejs and @vue/cli-service in /frontend#15

dependabot[bot] wants to merge 1 commit intomainadvanced-security-demo/ghas-demo:mainfrom

dependabot/npm_and_yarn/frontend/ejs-and-vue/cli-service--removedadvanced-security-demo/ghas-demo:dependabot/npm_and_yarn/frontend/ejs-and-vue/cli-service--removedCopy head branch name to clipboard