build(deps): Upgrade gems

Author: sman591

Gemfile

@@ -9,7 +9,7 @@ gem 'rails', '~> 5.2.2'
 # Use mysql as the database for Active Record
 gem 'mysql2', '>= 0.4.4', '< 0.6.0'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 4.3'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets

Gemfile.lock

@@ -83,7 +83,7 @@ GEM
       chartkick (>= 3.2)
       railties (>= 5)
       safely_block (>= 0.1.1)
-    bootsnap (1.4.4)
+    bootsnap (1.4.5)
       msgpack (~> 1.0)
     bootstrap (4.3.1)
       autoprefixer-rails (>= 9.1.0)
@@ -241,8 +241,8 @@ GEM
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    mustache (1.1.0)
-    mysql2 (0.5.2)
+    mustache (1.1.1)
+    mysql2 (0.5.3)
     nenv (0.3.0)
     nio4r (2.5.2)
     nokogiri (1.10.7)
@@ -276,7 +276,8 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.1.1)
-    puma (3.12.2)
+    puma (4.3.1)
+      nio4r (~> 2.0)
     raabro (1.1.6)
     rack (2.0.7)
     rack-protection (2.0.5)
@@ -486,7 +487,7 @@ DEPENDENCIES
   mysql2 (>= 0.4.4, < 0.6.0)
   omniauth-mlh (~> 0.1)
   omniauth-rails_csrf_protection
-  puma (~> 3.11)
+  puma (~> 4.3)
   rails (~> 5.2.2)
   rails-controller-testing
   rails-settings-cached (~> 0.7.2)