Bump puma from 4.3.12 to 5.6.7

Bumps [puma](https://github.com/puma/puma) from 4.3.12 to 5.6.7.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v4.3.12...v5.6.7)

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

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

Gemfile

@@ -124,7 +124,7 @@ gem 'nilify_blanks'
 gem 'curb', '0.9.10'
 
 # Web server
-gem 'puma', '~> 4.3.12'
+gem 'puma', '~> 5.6.7'
 
 # Performance & Error reporting
 gem 'appsignal'

Gemfile.lock

@@ -408,7 +408,7 @@ GEM
     nilify_blanks (1.4.0)
       activerecord (>= 4.0.0)
       activesupport (>= 4.0.0)
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.14.3)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
@@ -456,7 +456,7 @@ GEM
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
     public_suffix (5.0.1)
-    puma (4.3.12)
+    puma (5.6.7)
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
@@ -786,7 +786,7 @@ DEPENDENCIES
   prawn
   prawn-table
   pry-byebug
-  puma (~> 4.3.12)
+  puma (~> 5.6.7)
   pundit (~> 1.1)
   pusher (= 0.15.2)
   rack-canonical-host