Bump puma from 4.3.12 to 5.6.8

Bumps [puma](https://github.com/puma/puma) from 4.3.12 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@v4.3.12...v5.6.8)

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

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

Gemfile

@@ -8,7 +8,7 @@ gem 'rails', '~> 7.0.0', '>= 6.1'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 4.3'
+gem 'puma', '~> 5.6'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
 # worries that something shifted in how my stylesheets rendered, so for now

Gemfile.lock

@@ -153,7 +153,7 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nio4r (2.5.9)
+    nio4r (2.7.0)
     nokogiri (1.15.2)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -170,7 +170,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (5.0.1)
-    puma (4.3.12)
+    puma (5.6.8)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.7)
@@ -305,7 +305,7 @@ DEPENDENCIES
   octicons (= 9.4.0)
   octicons_helper (= 9.4.0)
   pry-rails
-  puma (~> 4.3)
+  puma (~> 5.6)
   rails (~> 7.0.0, >= 6.1)
   rexml
   sanitize (~> 6.0)