Bump selenium-webdriver from 3.6.0 to 3.8.0
Bump selenium-webdriver from 3.6.0 to 3.8.0

Bumps [selenium-webdriver](https://github.com/SeleniumHQ/selenium) from 3.6.0 to 3.8.0.
- [Release notes](https://github.com/SeleniumHQ/selenium/releases?after=selenium-3.8.1)
- [Commits](https://github.com/SeleniumHQ/selenium/compare/selenium-3.6.0...selenium-3.8.0)
josefinerost/tidsbokning,josefinerost/tidsbokning,josefinerost/tidsbokning