build(deps-dev): bump mini-css-extract-plugin from 2.9.3 to 2.9.4 in /frontend#2922

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

dependabot/npm_and_yarn/frontend/mini-css-extract-plugin-2.9.4mozilla/code-review:dependabot/npm_and_yarn/frontend/mini-css-extract-plugin-2.9.4Copy head branch name to clipboard