Bump lodash, grunt, grunt-phplint and grunt-wp-i18n#224

dependabot[bot] wants to merge 1 commit intomasterAutomattic/o2:masterfrom

dependabot/npm_and_yarn/lodash-and-grunt-and-grunt-phplint-and-grunt-wp-i18n-4.17.21Automattic/o2:dependabot/npm_and_yarn/lodash-and-grunt-and-grunt-phplint-and-grunt-wp-i18n-4.17.21Copy head branch name to clipboard