Bump puma from 5.6.6 to 5.6.9

Bumps [puma](https://github.com/puma/puma) from 5.6.6 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@v5.6.6...v5.6.9)

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

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

Author: dependabot[bot]

Gemfile

@@ -15,7 +15,7 @@ gem "sqlite3", "~> 1.4"
 gem 'webpacker', '~> 5.x.x'
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem "puma", "~> 5.0"
+gem "puma", "~> 5.6"
 
 # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
 gem "importmap-rails"

Gemfile.lock

@@ -124,11 +124,13 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nio4r (2.5.9)
+    nio4r (2.7.3)
     nokogiri (1.15.3-x64-mingw-ucrt)
       racc (~> 1.4)
+    nokogiri (1.15.3-x86_64-linux)
+      racc (~> 1.4)
     public_suffix (5.0.3)
-    puma (5.6.6)
+    puma (5.6.9)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.7)
@@ -183,6 +185,7 @@ GEM
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
     sqlite3 (1.6.3-x64-mingw-ucrt)
+    sqlite3 (1.6.3-x86_64-linux)
     stimulus-rails (1.2.1)
       railties (>= 6.0.0)
     thor (1.2.2)
@@ -219,14 +222,15 @@ GEM
 
 PLATFORMS
   x64-mingw-ucrt
+  x86_64-linux
 
 DEPENDENCIES
   bootsnap
   capybara
   debug
   importmap-rails
   jbuilder
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 7.0.6)
   selenium-webdriver
   sprockets-rails