Bump selenium-java from 4.0.0-alpha-1 to 4.0.0-alpha-6
Bump selenium-java from 4.0.0-alpha-1 to 4.0.0-alpha-6

Bumps [selenium-java](https://github.com/SeleniumHQ/selenium) from 4.0.0-alpha-1 to 4.0.0-alpha-6.
- [Release notes](https://github.com/SeleniumHQ/selenium/releases)
- [Commits](https://github.com/SeleniumHQ/selenium/compare/selenium-4.0.0-alpha-1...selenium-4.0.0-alpha-6)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
speedment/speedment,speedment/speedment