Bump selenium-webdriver from 3.13.0 to 3.13.1 (AgileVentures#2486)

Bumps [selenium-webdriver](https://github.com/SeleniumHQ/selenium) from 3.13.0 to 3.13.1.
- [Release notes](https://github.com/SeleniumHQ/selenium/releases)
- [Changelog](https://github.com/SeleniumHQ/selenium/blob/master/rb/CHANGES)
- [Commits](https://github.com/SeleniumHQ/selenium/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Author: dependabot[bot]

Gemfile.lock

@@ -545,7 +545,7 @@ GEM
     sawyer (0.8.1)
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
-    selenium-webdriver (3.13.0)
+    selenium-webdriver (3.13.1)
       childprocess (~> 0.5)
       rubyzip (~> 1.2)
     shellany (0.0.1)