fix rubocop version issue with breaking changes

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2019-01-30 10:50:33 +0100 using RuboCop version 0.63.1.
+# on 2019-06-03 16:27:52 +0200 using RuboCop version 0.67.2.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -84,7 +84,7 @@ Layout/IndentationConsistency:
 Layout/IndentationWidth:
   Enabled: false
 
-# Offense count: 15
+# Offense count: 16
 # Cop supports --auto-correct.
 Layout/LeadingCommentSpace:
   Exclude:
@@ -216,6 +216,12 @@ Layout/TrailingWhitespace:
     - 'lib/tasks/install.rake'
     - 'spec/shared_behaviors/restful_routing_behavior.rb'
 
+# Offense count: 3
+Lint/AmbiguousOperator:
+  Exclude:
+    - 'lib/tasks/import_reports.rake'
+    - 'spec/support/describe_reports.rb'
+
 # Offense count: 7
 # Cop supports --auto-correct.
 Lint/DeprecatedClassMethods:

Gemfile

@@ -43,6 +43,7 @@ group :development, :test do
   gem 'listen'
   gem 'simplecov'
   gem 'simplecov-console'
+  gem 'rubocop', '~> 0.67.0'
   gem 'rubocop-rails_config'
   gem 'haml_lint', require: false
 end

Gemfile.lock

@@ -139,6 +139,7 @@ GEM
     parser (2.6.3.0)
       ast (~> 2.4.0)
     pg (1.1.4)
+    psych (3.1.0)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -206,13 +207,14 @@ GEM
       rspec-mocks (~> 3.8.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.2)
-    rubocop (0.71.0)
+    rubocop (0.67.2)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
-      parser (>= 2.6)
+      parser (>= 2.5, != 2.5.1.1)
+      psych (>= 3.1.0)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 1.7)
+      unicode-display_width (>= 1.4.0, < 1.6)
     rubocop-rails_config (0.5.1)
       railties (>= 3.0)
       rubocop (~> 0.60)
@@ -271,7 +273,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.6.0)
+    unicode-display_width (1.5.0)
     web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)
@@ -313,6 +315,7 @@ DEPENDENCIES
   rspec-collection_matchers
   rspec-html-matchers
   rspec-rails
+  rubocop (~> 0.67.0)
   rubocop-rails_config
   safe_yaml
   sass-rails