fix(deps): freeze useragent version
fix(deps): freeze useragent version


This fixes the CI issues we were seeing on Appveyor
karma-runner/karma,david-garcia-nete/karma,maksimr/karma,johnjbarton/karma,johnjbarton/karma,david-garcia-nete/karma,karma-runner/karma,johnjbarton/karma,karma-runner/karma,david-garcia-nete/karma,johnjbarton/karma,maksimr/karma,maksimr/karma,karma-runner/karma