Bump cross-spawn, @wdio/cli, @wdio/appium-service, @wdio/local-runner, @wdio/spec-reporter and wdio-chromedriver-service in /example/e2e

Bump cross-spawn, @wdio/cli, @wdio/appium-service, @wdio/local-runner, @wdio/spec-reporter and wdio-chromedriver-service in /example/e2e #178