Bump puma from 5.6.8 to 5.6.9

Bumps [puma](https://github.com/puma/puma) from 5.6.8 to 5.6.9.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v5.6.8...v5.6.9)

---
updated-dependencies:
- dependency-name: puma
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile

@@ -5,7 +5,7 @@ ruby '3.0.6'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 6.1.7', '>= 6.1.7.6'
 # Use Puma as the app server
-gem 'puma', '~> 5.0'
+gem 'puma', '~> 5.6'
 # 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

Gemfile.lock

@@ -137,15 +137,15 @@ GEM
       timeout
     net-smtp (0.4.0.1)
       net-protocol
-    nio4r (2.7.1)
+    nio4r (2.7.4)
     nokogiri (1.16.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     parallel (1.24.0)
     parser (3.3.0.5)
       ast (~> 2.4.1)
       racc
-    puma (5.6.8)
+    puma (5.6.9)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (2.2.10)
@@ -246,7 +246,7 @@ DEPENDENCIES
   listen (~> 3.3)
   minitest-reporters (~> 1.6)
   nokogiri
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 6.1.7, >= 6.1.7.6)
   rubocop (= 1.14.0)
   rubocop-checkstyle_formatter