Bump capybara from 3.16.2 to 3.20.0

Bumps [capybara](https://github.com/teamcapybara/capybara) from 3.16.2 to 3.20.0.
- [Release notes](https://github.com/teamcapybara/capybara/releases)
- [Changelog](https://github.com/teamcapybara/capybara/blob/master/History.md)
- [Commits](teamcapybara/capybara@3.16.2...3.20.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support

Gemfile.lock

@@ -65,13 +65,14 @@ GEM
       debug_inspector (>= 0.0.1)
     builder (3.2.3)
     byebug (11.0.0)
-    capybara (3.16.2)
+    capybara (3.20.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
       rack (>= 1.6.0)
       rack-test (>= 0.6.3)
       regexp_parser (~> 1.2)
+      uglifier
       xpath (~> 3.2)
     childprocess (1.0.1)
       rake (< 13.0)