Upgrade to ruby 2.6.5 and Rails 6.0.2.2

+ Update some gems

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.5.7
+FROM ruby:2.6.5
 
 ENV RAILS_ENV production
 

Dockerfile.dev

@@ -1,4 +1,4 @@
-FROM ruby:2.5.7
+FROM ruby:2.6.5
 
 ENV RAILS_ENV development
 

Gemfile

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 source 'http://rubygems.org'
-ruby '2.5.7'
+ruby '2.6.5'
 
 # Rails core
-gem 'rails', '~> 6.0.2.1'
+gem 'rails', '~> 6.0.2.2'
 gem 'rake', '< 11.0'
 
 # Dotenv
@@ -21,8 +21,7 @@ gem 'faraday', '~> 0.9.0'
 gem 'puma'
 
 # Model plugins
-# FIXME: using this b/c ruby 2.4 not supported
-gem 'unread', '0.10.1'
+gem 'unread'
 # gem 'impressionist'
 # gem 'ratyrate'
 # gem "acts_as_rateable", :git => "git://github.com/anton-zaytsev/acts_as_rateable.git"

Gemfile.lock

@@ -352,7 +352,7 @@ GEM
       railties (>= 5.0)
     retriable (3.1.2)
     rexml (3.2.4)
-    rmagick (4.0.0)
+    rmagick (4.1.0)
     rubocop (0.80.1)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
@@ -423,7 +423,7 @@ GEM
       json (>= 1.8.0)
     unicode-display_width (1.6.1)
     unicode_utils (1.4.0)
-    unread (0.10.1)
+    unread (0.11.0)
       activerecord (>= 3)
     web-console (3.7.0)
       actionview (>= 5.0)
@@ -479,7 +479,7 @@ DEPENDENCIES
   pry-rails
   public_suffix
   puma
-  rails (~> 6.0.2.1)
+  rails (~> 6.0.2.2)
   rails-controller-testing
   rails_autolink
   rake (< 11.0)
@@ -503,12 +503,12 @@ DEPENDENCIES
   timecop
   tinymce-rails
   uglifier (~> 2.5.0)
-  unread (= 0.10.1)
+  unread
   web-console (= 3.7.0)
   will_paginate
 
 RUBY VERSION
-   ruby 2.5.7p206
+   ruby 2.6.5p114
 
 BUNDLED WITH
    2.1.4