Update to ruby 2.6 in CI and Gemfile

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2
 defaults: &defaults
   working_directory: ~/circleci-champaign
   docker:
-    - image: soutech/ruby2.4.5_node_awscli:latest
+    - image: soutech/ruby:2.6-stretch-node-awscli
 
 jobs:
   install_dependencies:
@@ -107,7 +107,7 @@ jobs:
   rspec:
     working_directory: ~/circleci-champaign
     docker:
-      - image: soutech/ruby2.4.5_node_awscli:latest
+      - image: soutech/ruby:2.6-stretch-node-awscli
         environment:
           PG_USERNAME: champaign
           PG_PASSWORD: champaign

.rubocop.yml

@@ -1,7 +1,7 @@
 inherit_from: .rubocop_todo.yml
 
 AllCops:
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: 2.6
   Exclude:
     - 'bin/**/*'
     - 'vendor/**/*'
@@ -46,7 +46,7 @@ Naming/VariableNumber:
 
 Naming/MemoizedInstanceVariableName:
   Enabled: false
-  
+
 Lint/HandleExceptions:
   Enabled: false
 

.ruby-version

@@ -1 +1 @@
-2.4.5
+2.6.2

Gemfile

@@ -2,7 +2,7 @@
 # frozen_string_literal: true
 
 source 'https://rubygems.org'
-ruby '2.4.5'
+ruby '2.6.2'
 
 gem 'aasm'
 gem 'activeadmin', '~> 1.4.3'
@@ -77,7 +77,7 @@ group :development, :test do
   gem 'faker'
   gem 'magic_lamp'
   gem 'rspec-rails', '~> 3.8'
-  gem 'rubocop', require: false
+  gem 'rubocop', '~> 0.66', require: false
   gem 'spring-commands-rspec'
   gem 'vcr'
   gem 'byebug'

Gemfile.lock

@@ -259,7 +259,7 @@ GEM
       has_scope (~> 0.6)
       railties (>= 4.2, < 5.3)
       responders
-    jaro_winkler (1.5.1)
+    jaro_winkler (1.5.2)
     jbuilder (2.6.4)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2)
@@ -356,8 +356,8 @@ GEM
       mime-types
       mimemagic (~> 0.3.0)
       terrapin (~> 0.6.0)
-    parallel (1.12.1)
-    parser (2.5.3.0)
+    parallel (1.17.0)
+    parser (2.6.2.0)
       ast (~> 2.4.0)
     pg (0.20.0)
     phony (2.16.4)
@@ -368,10 +368,10 @@ GEM
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
-    powerpack (0.1.2)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
+    psych (3.1.0)
     public_suffix (3.0.3)
     puma (3.12.0)
     rack (2.0.6)
@@ -455,14 +455,14 @@ GEM
       rspec-mocks (~> 3.8.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    rubocop (0.60.0)
+    rubocop (0.66.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.5, != 2.5.1.1)
-      powerpack (~> 0.1)
+      psych (>= 3.1.0)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 1.4.0)
+      unicode-display_width (>= 1.4.0, < 1.6)
     rubocop-rspec (1.30.1)
       rubocop (>= 0.60.0)
     ruby-progressbar (1.10.0)
@@ -531,7 +531,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (3.0.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.4.0)
+    unicode-display_width (1.5.0)
     unicode_utils (1.4.0)
     vcr (3.0.3)
     warden (1.2.8)
@@ -626,7 +626,7 @@ DEPENDENCIES
   rmagick
   rspec-json_expectations
   rspec-rails (~> 3.8)
-  rubocop
+  rubocop (~> 0.66)
   rubocop-rspec
   sass-rails
   sentry-raven
@@ -645,7 +645,7 @@ DEPENDENCIES
   webpacker (~> 3.5)
 
 RUBY VERSION
-   ruby 2.4.5p335
+   ruby 2.6.2p47
 
 BUNDLED WITH
    2.0.1