Update webdriverio package

[vitaly-kiselev-qa]

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Contribution

• [ ] I'd be willing to implement this feature (contributing guide)

Describe the user story

We have the issue with the browser.mock method.

Sometimes it just do nothing and our tests fail.

I've noticed that the latest implemetation of the method significatly differs from current. I hope that the new implementation does not have this issue.

Describe the solution you'd like

The current version of the webdriverio package is 8.21.0. Please, update it to the latest one.

Describe the drawbacks of your solution

No response

Describe alternatives you've considered

No response