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] <[email protected]>

Gemfile

@@ -13,7 +13,7 @@ gem 'pg', '~> 1.0'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
 # Use Puma as the app server
-gem 'puma', '~> 4.0'
+gem 'puma', '~> 5.6'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 6.0'
 # Use Uglifier as compressor for JavaScript assets

Gemfile.lock

@@ -156,7 +156,7 @@ GEM
     orm_adapter (0.5.0)
     pg (1.5.6)
     pr_geohash (1.0.0)
-    puma (4.3.12)
+    puma (5.6.8)
       nio4r (~> 2.0)
     pundit (2.3.2)
       activesupport (>= 3.0.0)
@@ -286,7 +286,7 @@ DEPENDENCIES
   listen (~> 3.0.5)
   openseadragon
   pg (~> 1.0)
-  puma (~> 4.0)
+  puma (~> 5.6)
   pundit
   rails (< 7.0)
   sass-rails (~> 6.0)