Bump webdriverio from 6.1.14 to 6.1.16 (#96)

Bumps [webdriverio](https://github.com/webdriverio/webdriverio) from 6.1.14 to 6.1.16.
- [Release notes](https://github.com/webdriverio/webdriverio/releases)
- [Changelog](https://github.com/webdriverio/webdriverio/blob/master/CHANGELOG.md)
- [Commits](webdriverio/webdriverio@v6.1.14...v6.1.16)

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