fix: fix major dependencies to specific version

Gemfile

@@ -2,8 +2,8 @@ source 'https://rubygems.org'
 
 ruby '2.7.1'
 
-gem 'rails', '>= 6.0.3.2'
-gem 'puma', '~> 4'
+gem 'rails', '6.0.3.4'
+gem 'puma', '4.3.7'
 gem 'sass-rails'
 gem 'uglifier'
 gem 'mini_racer', platforms: :ruby
@@ -11,7 +11,7 @@ gem 'coffee-rails'
 gem 'graphiql-rails'
 gem 'graphql-voyager-rails'
 gem 'bootstrap'
-gem 'jquery-rails'
+gem 'jquery-rails', '~> 4.4'
 gem 'actionpack-cloudflare'
 gem 'turbolinks', '~> 5'
 gem 'pronto-rubocop'
@@ -19,7 +19,7 @@ gem 'rubocop'
 gem 'rubocop-shopify', require: false
 gem 'maxmind-db'
 gem 'mysql2'
-gem 'pg'
+gem 'pg', '~> 1.2'
 gem 'bunny', '>= 2.14.0'
 gem 'premailer-rails'
 gem 'devise', '~> 4.7'
@@ -41,8 +41,8 @@ gem 'httparty'
 gem 'useragent'
 gem 'ddtrace'
 gem 'rack-attack', '~> 6.3'
-gem 'dotenv-rails'
-gem 'redis-rails'
+gem 'dotenv-rails', '2.7.6'
+gem 'redis-rails', '5.0.2'
 gem 'ipstack'
 gem 'vatlayer', '~> 0.3.5'
 gem 'braintree', '~> 2.103'