Bump puma from 5.6.7 to 5.6.8

Bumps [puma](https://github.com/puma/puma) from 5.6.7 to 5.6.8.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v5.6.7...v5.6.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile

@@ -3,7 +3,7 @@
 source 'https://rubygems.org'
 ruby '~> 3.1.4'
 
-gem 'puma', '5.6.7'  # Latest capybara doesn't work with puma 6.0 at the moment.
+gem 'puma', '5.6.8'  # Latest capybara doesn't work with puma 6.0 at the moment.
 gem 'rack-rewrite'
 gem 'rails', '~> 7.0.8'
 

Gemfile.lock

@@ -270,7 +270,7 @@ GEM
     net-smtp (0.3.2)
       net-protocol
     netrc (0.11.0)
-    nio4r (2.5.9)
+    nio4r (2.7.0)
     nokogiri (1.15.3-aarch64-linux)
       racc (~> 1.4)
     nokogiri (1.15.3-arm64-darwin)
@@ -328,7 +328,7 @@ GEM
     psych (4.0.6)
       stringio
     public_suffix (5.0.0)
-    puma (5.6.7)
+    puma (5.6.8)
       nio4r (~> 2.0)
     pusher (1.3.3)
       httpclient (~> 2.7)
@@ -649,7 +649,7 @@ DEPENDENCIES
   premailer-rails
   pry-byebug
   pry-rails
-  puma (= 5.6.7)
+  puma (= 5.6.8)
   pusher (= 1.3.3)
   rack-mini-profiler
   rack-rewrite