build(deps-dev): bump eslint-plugin-mozilla from 4.0.0 to 4.2.1 in /frontend#2652

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

dependabot/npm_and_yarn/frontend/eslint-plugin-mozilla-4.2.1mozilla/code-coverage:dependabot/npm_and_yarn/frontend/eslint-plugin-mozilla-4.2.1Copy head branch name to clipboard