Upgrade to Rails 6.1.4

Gemfile

@@ -3,38 +3,30 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 ruby '2.6.2'
 
-# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.2.3'
+# Bundle edge Rails instead: gem 'rails', github: 'rails/rails', branch: 'main'
+gem 'rails', '~> 6.1.4'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 5.0'
 # Use SCSS for stylesheets
-gem 'sass-rails', '~> 5.0'
-# Use Uglifier as compressor for JavaScript assets
-gem 'uglifier', '>= 1.3.0'
-# See https://github.com/rails/execjs#readme for more supported runtimes
-# gem 'mini_racer', platforms: :ruby
-
-# Use CoffeeScript for .coffee assets and views
-gem 'coffee-rails', '~> 4.2'
+gem 'sass-rails', '>= 6'
+# Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
+gem 'webpacker', '~> 5.0'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
 gem 'turbolinks', '~> 5'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 2.5'
+gem 'jbuilder', '~> 2.7'
 # Use Redis adapter to run Action Cable in production
 # gem 'redis', '~> 4.0'
-# Use ActiveModel has_secure_password
+# Use Active Model 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
+# Use Active Storage variant
+# gem 'image_processing', '~> 1.2'
 
 # Reduces boot times through caching; required in config/boot.rb
-gem 'bootsnap', '>= 1.1.0', require: false
+gem 'bootsnap', '>= 1.4.4', require: false
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
@@ -43,19 +35,21 @@ end
 
 group :development do
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
-  gem 'web-console', '>= 3.3.0'
-  gem 'listen', '>= 3.0.5', '< 3.2'
+  gem 'web-console', '>= 4.1.0'
+  # Display performance information such as SQL time and flame graphs for each request in your browser.
+  # Can be configured to work on production as well see: https://github.com/MiniProfiler/rack-mini-profiler/blob/master/README.md
+  gem 'rack-mini-profiler', '~> 2.0'
+  gem 'listen', '~> 3.3'
   # 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
 
 group :test do
   # Adds support for Capybara system testing and selenium driver
-  gem 'capybara', '>= 2.15'
+  gem 'capybara', '>= 3.26'
   gem 'selenium-webdriver'
-  # Easy installation and use of chromedriver to run system tests with Chrome
-  gem 'chromedriver-helper'
+  # Easy installation and use of web drivers to run system tests with browsers
+  gem 'webdrivers'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem