build(deps-dev): bump mini-css-extract-plugin from 1.3.1 to 1.3.4 in /frontend#749

marco-c merged 1 commit intomastermozilla/code-coverage:masterfrom

dependabot/npm_and_yarn/frontend/mini-css-extract-plugin-1.3.4mozilla/code-coverage:dependabot/npm_and_yarn/frontend/mini-css-extract-plugin-1.3.4Copy head branch name to clipboard