Bump puma from 5.3.1 to 5.6.4

Gemfile

@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1.0', '>= 6.1.0.0'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 5.3'
+gem 'puma', '~> 5.6'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker

Gemfile.lock

@@ -125,18 +125,29 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2021.0225)
     mini_mime (1.0.3)
-    mini_portile2 (2.5.1)
     minitest (5.14.4)
     multi_json (1.15.0)
     multi_xml (0.6.0)
-    nio4r (2.5.7)
-    nokogiri (1.11.5)
-      mini_portile2 (~> 2.5.0)
+    nio4r (2.5.8)
+    nokogiri (1.11.5-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.11.5-x86_64-linux)
       racc (~> 1.4)
     optimist (3.0.1)
     public_suffix (4.0.6)
-    puma (5.3.1)
+    puma (5.6.4)
       nio4r (~> 2.0)
+    puppet (7.6.1)
+      concurrent-ruby (~> 1.0)
+      deep_merge (~> 1.0)
+      facter (> 2.0.1, < 5)
+      fast_gettext (~> 1.1)
+      hiera (>= 3.2.1, < 4)
+      locale (~> 2.1)
+      multi_json (~> 1.10)
+      puppet-resource_api (~> 1.5)
+      scanf (~> 1.0)
+      semantic_puppet (~> 1.0)
     puppet (7.6.1-universal-darwin)
       CFPropertyList (~> 2.2)
       concurrent-ruby (~> 1.0)
@@ -245,6 +256,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   bcrypt (~> 3.1.7)
@@ -257,7 +269,7 @@ DEPENDENCIES
   friendly_id (~> 5.4.0)
   hiera-eyaml
   listen (~> 3.2)
-  puma (~> 5.3)
+  puma (~> 5.6)
   puppet
   puppetdb-ruby
   rails (~> 6.1.0, >= 6.1.0.0)