Bump puma from 5.5.2 to 5.6.2

Bumps [puma](https://github.com/puma/puma) from 5.5.2 to 5.6.2.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](https://github.com/puma/puma/compare/v5.5.2...v5.6.2)

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

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

Gemfile

@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '6.1.4.1'
 # Use Puma as the app server
-gem 'puma', '~> 5.5'
+gem 'puma', '~> 5.6'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4.1'
 

Gemfile.lock

@@ -166,7 +166,7 @@ GEM
     orm_adapter (0.5.0)
     popper_js (2.9.3)
     public_suffix (4.0.6)
-    puma (5.5.2)
+    puma (5.6.2)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -282,7 +282,7 @@ DEPENDENCIES
   omniauth
   omniauth-github
   omniauth-rails_csrf_protection
-  puma (~> 5.5)
+  puma (~> 5.6)
   rails (= 6.1.4.1)
   rails-controller-testing
   rails-i18n (~> 6.0.0)