OTWO-7416 rails and ruby upgrade

Author: Niharika1117

.rubocop.yml

@@ -1,16 +1,19 @@
-require: rubocop-rails
+plugins:
+  - rubocop-rails
 
 Rails:
   Enabled: true
 
 AllCops:
-  TargetRubyVersion: 2.6
-  TargetRailsVersion: 5.0
+  TargetRubyVersion: 3.1
+  TargetRailsVersion: 6.1
   NewCops: enable
   Exclude:
     - vagrant/**/*
     - script/*_temp.rb
 
+  SuggestExtensions: false
+
 Rails/ActiveRecordAliases:
   Enabled: false
 
@@ -100,3 +103,6 @@ Style/EmptyCaseCondition:
 
 Rails/HttpPositionalArguments:
   Enabled: true
+
+Naming/PredicateMethod:
+  Enabled: false

.ruby-version

@@ -1 +1 @@
-2.6.9
+3.1.7

Gemfile

@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 gem 'activeadmin'
-gem 'airbrake', '~> 5.5'
+gem 'airbrake', '~> 10.0.3'
 gem 'aws-sdk', '~> 2.3'
 gem 'bcrypt_pbkdf', '~> 1.0'
 gem 'bootstrap_jt', '~> 0.1.0'
@@ -12,24 +12,25 @@ gem 'bunny'
 gem 'clearance'
 gem 'coffee-rails'
 gem 'coffee-script-source', '~>1.8.0'
-gem 'doorkeeper', '~> 4.4.0'
+gem 'doorkeeper', '~> 5.5'
 gem 'dotenv-rails'
 gem 'feedjira'
 gem 'font-awesome-rails'
-gem 'haml-rails', '~> 1.0'
+gem 'haml-rails', '~> 2.0'
 gem 'jbuilder'
 gem 'jmespath', '~> 1.6.1'
 gem 'jwt'
-gem 'mini_magick', '~> 4.9.4'
-gem 'nokogiri', '~> 1.13.10'
-gem 'oh_delegator'
+gem 'kt-paperclip', '~> 7.0'
+gem 'listen'
+gem 'mini_magick', '~> 5.2'
+gem 'nokogiri'
 gem 'open4'
-gem 'paperclip', '~> 5.3'
 gem 'pg'
+gem 'puma'
 gem 'rack', '~> 2.2.13'
-gem 'rails', '~> 5.2.8'
+gem 'rails', '~> 6.1.7.10'
 gem 'rails-html-sanitizer', '~> 1.4.3'
-gem 'ransack', github: 'activerecord-hackery/ransack'
+gem 'ransack'
 gem 'rbnacl', '~>3.2'
 gem 'rbnacl-libsodium'
 gem 'recaptcha', require: 'recaptcha/rails'
@@ -44,8 +45,9 @@ gem 'sql_tracker'
 gem 'statsd-instrument'
 gem 'thor'
 gem 'twitter-bootstrap-rails', '~> 3.2'
-gem 'tzinfo', '~> 1.2.10'
+gem 'tzinfo'
 gem 'uglifier', '>= 2.7.2'
+gem 'webrick'
 gem 'will_paginate'
 gem 'will_paginate-bootstrap'
 
@@ -57,7 +59,7 @@ end
 group :test do
   gem 'haml_lint', '~> 0.21'
   gem 'minitest-rails'
-  gem 'minitest-spec-rails'
+  # gem 'minitest-spec-rails', '~> 6.0'
   gem 'mocha'
   gem 'rails-controller-testing'
   gem 'simplecov'