build(deps-dev): bump mini-css-extract-plugin from 2.7.6 to 2.7.7 in /frontend#2211

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

dependabot/npm_and_yarn/frontend/mini-css-extract-plugin-2.7.7mozilla/code-coverage:dependabot/npm_and_yarn/frontend/mini-css-extract-plugin-2.7.7Copy head branch name to clipboard