Bump postcss and @vue/cli-service in /frontend#25

dependabot[bot] wants to merge 1 commit intomainmodsim/margss:mainfrom

dependabot/npm_and_yarn/frontend/postcss-and-vue/cli-service-8.4.31modsim/margss:dependabot/npm_and_yarn/frontend/postcss-and-vue/cli-service-8.4.31Copy head branch name to clipboard