chore/Update to ruby 2.6.6

Author: LewisYoul

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.6.3'
+ruby '2.6.6'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 6.0.2', '>= 6.0.2.2'

Gemfile.lock

@@ -289,7 +289,7 @@ DEPENDENCIES
   will_paginate (~> 3.1.0)
 
 RUBY VERSION
-   ruby 2.6.3p62
+   ruby 2.6.6p146
 
 BUNDLED WITH
-   2.0.2
+   2.2.11