Update dependency postcss-loader to v4.0.4
Update dependency postcss-loader to v4.0.4

pgentile/zucchini-ui,pgentile/tests-cucumber,pgentile/zucchini-ui,pgentile/tests-cucumber,pgentile/tests-cucumber,pgentile/zucchini-ui,pgentile/tests-cucumber,pgentile/zucchini-ui,pgentile/zucchini-ui