Update ruby and gems

Author: cguess

Gemfile

@@ -1,4 +1,4 @@
-ruby "2.4.1"
+ruby "2.6.5"
 
 source 'https://rubygems.org'
 
@@ -9,7 +9,7 @@ end
 
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.1.4'
+gem 'rails', '~> 5.2'
 # Use sqlite3 as the database for Active Record
 # Use Puma as the app server
 gem 'puma', '~> 3.7'