chore(deps): update webdriverio monorepo to v6.6.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@wdio/cli	devDependencies	patch	6.6.0 -> 6.6.2
@wdio/local-runner	devDependencies	patch	6.6.0 -> 6.6.2

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Release Notes

webdriverio/webdriverio

### [`v6.6.2`](https://togithub.com/webdriverio/webdriverio/blob/master/CHANGELOG.md#v662-2020-10-08) [Compare Source](https://togithub.com/webdriverio/webdriverio/compare/v6.6.0...v6.6.2) ##### :memo: Documentation - `wdio-selenium-standalone-service`, `webdriver` - [#​5956](https://togithub.com/webdriverio/webdriverio/pull/5956) Edge types and selenium-standalone docs ([@​mgrybyk](https://togithub.com/mgrybyk)) ##### :house: Internal - `wdio-cli`, `wdio-lambda-runner` - [#​5953](https://togithub.com/webdriverio/webdriverio/pull/5953) Remove existence of lambda runner ([@​christian-bromann](https://togithub.com/christian-bromann)) ##### Committers: 2 - Christian Bromann ([@​christian-bromann](https://togithub.com/christian-bromann)) - Mykola Grybyk ([@​mgrybyk](https://togithub.com/mgrybyk))

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