Update gems in Gemfile and qa/Gemfile to be consistent

This will allow developers to run `bundle install` on both directories
and avoid additional calls to RubyGems for local development. Also sets
up the possibility of improved caching as mentioned in
https://gitlab.com/gitlab-org/gitlab-ce/issues/55843.

Gemfile

@@ -127,7 +127,7 @@ gem 'asciidoctor-plantuml', '0.0.8'
 gem 'rouge', '~> 3.1'
 gem 'truncato', '~> 0.7.9'
 gem 'bootstrap_form', '~> 2.7.0'
-gem 'nokogiri', '~> 1.8.4'
+gem 'nokogiri', '~> 1.8.5'
 gem 'escape_utils', '~> 1.1'
 
 # Calendar rendering
@@ -322,7 +322,7 @@ end
 group :development, :test do
   gem 'bootsnap', '~> 1.3'
   gem 'bullet', '~> 5.5.0', require: !!ENV['ENABLE_BULLET']
-  gem 'pry-byebug', '~> 3.4.1', platform: :mri
+  gem 'pry-byebug', '~> 3.5.1', platform: :mri
   gem 'pry-rails', '~> 0.3.4'
 
   gem 'awesome_print', require: false
@@ -342,8 +342,8 @@ group :development, :test do
   # Generate Fake data
   gem 'ffaker', '~> 2.10'
 
-  gem 'capybara', '~> 2.15'
-  gem 'capybara-screenshot', '~> 1.0.0'
+  gem 'capybara', '~> 2.16.1'
+  gem 'capybara-screenshot', '~> 1.0.18'
   gem 'selenium-webdriver', '~> 3.12'
 
   gem 'spring', '~> 2.0.0'

Gemfile.lock

@@ -97,16 +97,16 @@ GEM
     bundler-audit (0.5.0)
       bundler (~> 1.2)
       thor (~> 0.18)
-    byebug (9.0.6)
-    capybara (2.15.1)
+    byebug (9.1.0)
+    capybara (2.16.1)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    capybara-screenshot (1.0.14)
-      capybara (>= 1.0, < 3)
+    capybara-screenshot (1.0.22)
+      capybara (>= 1.0, < 4)
       launchy
     carrierwave (1.3.0)
       activemodel (>= 4.0.0)
@@ -595,8 +595,8 @@ GEM
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    pry-byebug (3.4.3)
-      byebug (>= 9.0, < 9.1)
+    pry-byebug (3.5.1)
+      byebug (~> 9.1)
       pry (~> 0.10)
     pry-rails (0.3.6)
       pry (>= 0.10.4)
@@ -963,8 +963,8 @@ DEPENDENCIES
   browser (~> 2.5)
   bullet (~> 5.5.0)
   bundler-audit (~> 0.5.0)
-  capybara (~> 2.15)
-  capybara-screenshot (~> 1.0.0)
+  capybara (~> 2.16.1)
+  capybara-screenshot (~> 1.0.18)
   carrierwave (~> 1.3)
   charlock_holmes (~> 0.7.5)
   chronic (~> 0.10.2)
@@ -1059,7 +1059,7 @@ DEPENDENCIES
   nakayoshi_fork (~> 0.0.4)
   net-ldap
   net-ssh (~> 5.0)
-  nokogiri (~> 1.8.4)
+  nokogiri (~> 1.8.5)
   oauth2 (~> 1.4)
   octokit (~> 4.9)
   omniauth (~> 1.8)
@@ -1087,7 +1087,7 @@ DEPENDENCIES
   pg (~> 0.18.2)
   premailer-rails (~> 1.9.7)
   prometheus-client-mmap (~> 0.9.4)
-  pry-byebug (~> 3.4.1)
+  pry-byebug (~> 3.5.1)
   pry-rails (~> 0.3.4)
   puma (~> 3.12)
   puma_worker_killer
@@ -1171,4 +1171,4 @@ DEPENDENCIES
   wikicloth (= 0.8.1)
 
 BUNDLED WITH
-   1.17.1
+   1.17.3

qa/Gemfile

@@ -5,5 +5,6 @@ gem 'capybara', '~> 2.16.1'
 gem 'capybara-screenshot', '~> 1.0.18'
 gem 'rake', '~> 12.3.0'
 gem 'rspec', '~> 3.7'
-gem 'selenium-webdriver', '~> 3.8.0'
+gem 'selenium-webdriver', '~> 3.12'
 gem 'airborne', '~> 0.2.13'
+gem 'nokogiri', '~> 1.8.5'

qa/Gemfile.lock

@@ -25,7 +25,7 @@ GEM
     capybara-screenshot (1.0.18)
       capybara (>= 1.0, < 3)
       launchy
-    childprocess (0.8.0)
+    childprocess (0.9.0)
       ffi (~> 1.0, >= 1.0.11)
     coderay (1.1.2)
     concurrent-ruby (1.0.5)
@@ -47,7 +47,7 @@ GEM
     mini_portile2 (2.3.0)
     minitest (5.11.1)
     netrc (0.11.0)
-    nokogiri (1.8.2)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     pry (0.11.3)
       coderay (~> 1.1.0)
@@ -78,9 +78,9 @@ GEM
       rspec-support (~> 3.7.0)
     rspec-support (3.7.0)
     rubyzip (1.2.2)
-    selenium-webdriver (3.8.0)
+    selenium-webdriver (3.141.0)
       childprocess (~> 0.5)
-      rubyzip (~> 1.0)
+      rubyzip (~> 1.2, >= 1.2.2)
     thread_safe (0.3.6)
     tzinfo (1.2.4)
       thread_safe (~> 0.1)
@@ -97,10 +97,11 @@ DEPENDENCIES
   airborne (~> 0.2.13)
   capybara (~> 2.16.1)
   capybara-screenshot (~> 1.0.18)
+  nokogiri (~> 1.8.5)
   pry-byebug (~> 3.5.1)
   rake (~> 12.3.0)
   rspec (~> 3.7)
-  selenium-webdriver (~> 3.8.0)
+  selenium-webdriver (~> 3.12)
 
 BUNDLED WITH
-   1.17.1
+   1.17.3