Upgrade Selenium version

Change-Id: I0045d246b8841920c6038b34a6c57a4337a2ad00
Reviewed-on: https://pirx.atteo.com/gerrit/448
Tested-by: Mr. Jenkins
Reviewed-by: Sławek Piotrowski <sentinel@atteo.com>
Merge remote-tracking branch 'origin/master'