Bump puma from 4.3.7 to 6.3.1

Bumps [puma](https://github.com/puma/puma) from 4.3.7 to 6.3.1.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v4.3.7...v6.3.1)

---
updated-dependencies:
- dependency-name: puma
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Gemfile

@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 ruby '~> 2.7.2'
 
 gem 'rails', '5.0.5'
-gem 'puma', '~> 4.0'
+gem 'puma', '~> 6.3'
 
 gem 'pg'
 

Gemfile.lock

@@ -1,6 +1,10 @@
 GEM
-  remote: https://rubygems.org/
   remote: https://rails-assets.org/
+  specs:
+    rails-assets-momentjs (2.17.1)
+
+GEM
+  remote: https://rubygems.org/
   specs:
     actioncable (5.0.5)
       actionpack (= 5.0.5)
@@ -226,7 +230,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     nenv (0.3.0)
-    nio4r (2.1.0)
+    nio4r (2.5.9)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
     notiffany (0.1.1)
@@ -269,7 +273,7 @@ GEM
       interception (>= 0.5)
       pry
     public_suffix (2.0.5)
-    puma (4.3.7)
+    puma (6.3.1)
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
@@ -291,7 +295,6 @@ GEM
       bundler (>= 1.3.0)
       railties (= 5.0.5)
       sprockets-rails (>= 2.0.0)
-    rails-assets-momentjs (2.17.1)
     rails-controller-testing (1.0.5)
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
@@ -440,7 +443,7 @@ DEPENDENCIES
   pry-rails
   pry-remote
   pry-rescue
-  puma (~> 4.0)
+  puma (~> 6.3)
   pundit
   rack-mini-profiler
   rack-timeout (~> 0.2.4)