Bump capybara from 3.30.0 to 3.31.0

Bumps [capybara](https://github.com/teamcapybara/capybara) from 3.30.0 to 3.31.0.
- [Release notes](https://github.com/teamcapybara/capybara/releases)
- [Changelog](https://github.com/teamcapybara/capybara/blob/master/History.md)
- [Commits](https://github.com/teamcapybara/capybara/compare/3.30.0...3.31.0)

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

Gemfile.lock

@@ -89,7 +89,7 @@ GEM
     bunny (2.14.3)
       amq-protocol (~> 2.3, >= 2.3.0)
     byebug (11.0.1)
-    capybara (3.30.0)
+    capybara (3.31.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)