build(deps-dev): bump mini-css-extract-plugin from 1.3.9 to 1.4.0 in /frontend#870

dependabot[bot] wants to merge 1 commit intomastermozilla/code-coverage:masterfrom

dependabot/npm_and_yarn/frontend/mini-css-extract-plugin-1.4.0mozilla/code-coverage:dependabot/npm_and_yarn/frontend/mini-css-extract-plugin-1.4.0Copy head branch name to clipboard