Bump capybara from 3.5.1 to 3.6.0

Bumps [capybara](https://github.com/teamcapybara/capybara) from 3.5.1 to 3.6.0.
- [Release notes](https://github.com/teamcapybara/capybara/releases)
- [Changelog](https://github.com/teamcapybara/capybara/blob/master/History.md)
- [Commits](teamcapybara/capybara@3.5.1...3.6.0)

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

Gemfile.lock

@@ -57,7 +57,7 @@ GEM
     brakeman (4.3.1)
     builder (3.2.3)
     byebug (10.0.2)
-    capybara (3.5.1)
+    capybara (3.6.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
@@ -176,7 +176,7 @@ GEM
     method_source (0.9.0)
     mime-types (2.99.3)
     mimemagic (0.3.2)
-    mini_mime (1.0.0)
+    mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
     minitest-slow_test (0.2.0)
@@ -224,7 +224,7 @@ GEM
     pg_query (1.0.2)
     pghero (2.1.1)
       activerecord
-    public_suffix (3.0.2)
+    public_suffix (3.0.3)
     puma (3.12.0)
     rack (2.0.5)
     rack-accept-default (0.0.2)