Bump rubocop from 0.39.0 to 0.49.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 0.39.0 to 0.49.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v0.39.0...v0.49.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:development
...

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

Gemfile

@@ -78,7 +78,7 @@ gem 'capybara', :group => :test
 gem 'webmock', :group => :test
 gem 'launchy', :group => :test
 
-gem 'rubocop', '0.39.0', :group => :development
+gem 'rubocop', '0.49.0', :group => :development
 gem 'pry', :group => :development
 gem 'pry-nav', :group => :development
 # gem 'xray-rails', :group => :development

Gemfile.lock

@@ -205,6 +205,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     openseadragon (0.6.0)
       rails (> 3.2.0)
+    parallel (1.20.1)
     parser (2.7.2.0)
       ast (~> 2.4.1)
     passenger (6.0.8)
@@ -253,7 +254,7 @@ GEM
       thor (>= 0.18.1, < 2.0)
     rainbow (2.2.2)
       rake
-    rake (13.0.3)
+    rake (13.0.6)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -285,13 +286,14 @@ GEM
       rspec-mocks (~> 3.10)
       rspec-support (~> 3.10)
     rspec-support (3.10.2)
-    rubocop (0.39.0)
-      parser (>= 2.3.0.7, < 3.0)
+    rubocop (0.49.0)
+      parallel (~> 1.10)
+      parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-progressbar (1.11.0)
+    ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     rubyzip (1.3.0)
     sass (3.7.4)
@@ -338,7 +340,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.7.0)
+    unicode-display_width (1.8.0)
     webmock (3.13.0)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
@@ -384,7 +386,7 @@ DEPENDENCIES
   rsolr
   rspec
   rspec-rails
-  rubocop (= 0.39.0)
+  rubocop (= 0.49.0)
   rubyzip (~> 1.3.0)
   sass-rails (~> 5.0.7)
   sdoc (~> 0.4.0)