Bump puma from 3.12.1 to 4.3.8

Gemfile

@@ -1,60 +1,60 @@
-# frozen_string_literal: true
-
-source 'https://rubygems.org'
-git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
-ruby '2.5.1'
-
-gem 'administrate'
-gem 'devise'
-gem 'dotenv-rails'
-gem 'mysql2', '>= 0.4.4', '< 0.6.0'
-gem 'puma', '~> 3.11'
-gem 'rails', '~> 5.2.3'
-gem 'sass-rails', '~> 5.0'
-gem 'simple_form'
-gem 'uglifier', '>= 1.3.0'
-gem 'webpacker'
-
-gem 'coffee-rails', '~> 4.2'
-
-gem 'bootsnap', '>= 1.1.0', require: false
-
-group :development, :test do
-  gem 'brakeman', require: false
-  gem 'byebug', platforms: %i[mri mingw x64_mingw]
-  gem 'debase'
-  gem 'factory_bot_rails'
-  gem 'faker'
-  gem 'pry-byebug'
-  gem 'pry-rails'
-  gem 'rspec-rails'
-  gem 'rubocop', require: false
-  gem 'rubocop-performance', require: false
-  gem 'rubocop-rspec', require: false
-  gem 'ruby-debug-ide'
-end
-
-group :development do
-  gem 'better_errors'
-  gem 'binding_of_caller'
-  gem 'bullet'
-  gem 'letter_opener'
-  gem 'listen', '>= 3.0.5', '< 3.2'
-  gem 'spring'
-  gem 'spring-watcher-listen', '~> 2.0.0'
-  gem 'web-console', '>= 3.3.0'
-end
-
-group :test do
-  gem 'capybara', '>= 2.15'
-  gem 'selenium-webdriver'
-  gem 'shoulda-matchers'
-end
-
-group :production do
-  gem 'lograge'
-  gem 'sentry-raven'
-end
-
-gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+git_source(:github) { |repo| "https://github.com/#{repo}.git" }
+
+ruby '2.5.1'
+
+gem 'administrate'
+gem 'devise'
+gem 'dotenv-rails'
+gem 'mysql2', '>= 0.4.4', '< 0.6.0'
+gem 'puma', '~> 4.3'
+gem 'rails', '~> 5.2.3'
+gem 'sass-rails', '~> 5.0'
+gem 'simple_form'
+gem 'uglifier', '>= 1.3.0'
+gem 'webpacker'
+
+gem 'coffee-rails', '~> 4.2'
+
+gem 'bootsnap', '>= 1.1.0', require: false
+
+group :development, :test do
+  gem 'brakeman', require: false
+  gem 'byebug', platforms: %i[mri mingw x64_mingw]
+  gem 'debase'
+  gem 'factory_bot_rails'
+  gem 'faker'
+  gem 'pry-byebug'
+  gem 'pry-rails'
+  gem 'rspec-rails'
+  gem 'rubocop', require: false
+  gem 'rubocop-performance', require: false
+  gem 'rubocop-rspec', require: false
+  gem 'ruby-debug-ide'
+end
+
+group :development do
+  gem 'better_errors'
+  gem 'binding_of_caller'
+  gem 'bullet'
+  gem 'letter_opener'
+  gem 'listen', '>= 3.0.5', '< 3.2'
+  gem 'spring'
+  gem 'spring-watcher-listen', '~> 2.0.0'
+  gem 'web-console', '>= 3.3.0'
+end
+
+group :test do
+  gem 'capybara', '>= 2.15'
+  gem 'selenium-webdriver'
+  gem 'shoulda-matchers'
+end
+
+group :production do
+  gem 'lograge'
+  gem 'sentry-raven'
+end
+
+gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]

Gemfile.lock

@@ -166,7 +166,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -192,7 +194,8 @@ GEM
       pry (>= 0.10.4)
     psych (3.1.0)
     public_suffix (3.0.3)
-    puma (3.12.1)
+    puma (4.3.8)
+      nio4r (~> 2.0)
     rack (2.0.7)
     rack-proxy (0.6.5)
       rack
@@ -351,7 +354,7 @@ DEPENDENCIES
   mysql2 (>= 0.4.4, < 0.6.0)
   pry-byebug
   pry-rails
-  puma (~> 3.11)
+  puma (~> 4.3)
   rails (~> 5.2.3)
   rspec-rails
   rubocop