Add missing aposthropes from default configuration.

[lauravuo]

webdriver/cli_args has commented out setting --verbose, which is missing aposthropes. Uncommenting will lead to failure.

[CLAassistant]

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[swrdfish]

@lauravuo can you sign the Contributor License Agreement

[AutomatedTester]

Thank you for your PR!

[AutomatedTester]

We can merge this once the CLA is signed. Let me know if you need help with that @lauravuo