chore: update contributors
chore: update contributors

johnjbarton/karma,maksimr/karma,maksimr/karma,karma-runner/karma,johnjbarton/karma,karma-runner/karma,karma-runner/karma,karma-runner/karma,david-garcia-nete/karma,david-garcia-nete/karma,maksimr/karma,johnjbarton/karma,johnjbarton/karma,david-garcia-nete/karma