build(deps-dev): bump webdriverio from 7.19.7 to 7.20.2 (#173)

Bumps [webdriverio](https://github.com/webdriverio/webdriverio) from 7.19.7 to 7.20.2.
- [Release notes](https://github.com/webdriverio/webdriverio/releases)
- [Changelog](https://github.com/webdriverio/webdriverio/blob/main/CHANGELOG.md)
- [Commits](webdriverio/webdriverio@v7.19.7...v7.20.2)

---
updated-dependencies:
- dependency-name: webdriverio
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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