Update dependency puma to '~> 6.6'

Author: renovate[bot]

api/Gemfile

@@ -10,7 +10,7 @@ gem 'rails', '~> 7.2.2'
 gem 'mysql2', '~> 0.5', '>= 0.5.6'
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem 'puma', '~> 6.4', '>= 6.4.3'
+gem 'puma', '~> 6.6'
 
 # Process ZIP archives
 gem 'rubyzip', '~> 2.3', '>= 2.3.2'

api/Gemfile.lock

@@ -201,7 +201,7 @@ GEM
     psych (5.2.3)
       date
       stringio
-    puma (6.5.0)
+    puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (3.1.12)
@@ -327,7 +327,7 @@ DEPENDENCIES
   faker (~> 3.5.1)
   mocha (~> 2.7.1)
   mysql2 (~> 0.5, >= 0.5.6)
-  puma (~> 6.4, >= 6.4.3)
+  puma (~> 6.6)
   rack-cors
   rails (~> 7.2.2)
   rubocop-minitest (~> 0.36.0)