[rails] upgrade Ruby 2.7 -> 3.2, upgrade and clean up other dependenc…

…ies (#653)

ruby-on-rails/.ruby-version

@@ -1 +1 @@
-ruby-2.6.1
+ruby-3.2.2

ruby-on-rails/Gemfile

@@ -1,52 +1,33 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '~> 2.7.0'
+ruby '~> 3.2.2'
 
 gem 'dotenv-rails'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.2.8', '>= 5.2.8.1'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+gem 'rails', '~> 7.2.2'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
-# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-# gem 'jbuilder', '~> 2.5'
-# Use Redis adapter to run Action Cable in production
-# gem 'redis', '~> 4.0'
-# Use ActiveModel has_secure_password
-# gem 'bcrypt', '~> 3.1.7'
-
-# Use ActiveStorage variant
-# gem 'mini_magick', '~> 4.8'
-
-# Use Capistrano for deployment
-# gem 'capistrano-rails', group: :development
+gem 'puma', '~> 6.5.0'
 
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.1.0', require: false
 
+gem 'nokogiri', '~>1.17.2'
+
 # Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin AJAX possible
 gem 'rack-cors'
 gem 'pg'
 
+gem "stackprof"
 gem "sentry-ruby"
 gem "sentry-rails"
 gem "rack"
 
-group :development, :test do
-  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
-end
-
 group :development do
-  gem 'listen', '>= 3.0.5', '< 3.2'
+  gem 'listen', '~> 3.5'
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
 end
 
-
-# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]