Bump puma from 5.6.7 to 5.6.8 (#563)

Bumps [puma](https://github.com/puma/puma) from 5.6.7 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@v5.6.7...v5.6.8)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -8,7 +8,7 @@ gem 'listen', '~> 3.0'
 
 gem 'rack-cors', :require => 'rack/cors'
 
-gem "puma", "~> 5.1"
+gem "puma", "~> 5.6"
 # Run puma with systemd integration
 gem 'sd_notify', '>= 0.1.0'
 

Gemfile.lock

@@ -527,7 +527,7 @@ GEM
       typhoeus (~> 0.7, >= 0.7.3)
     popper_js (1.16.1)
     public_suffix (3.1.1)
-    puma (5.6.7)
+    puma (5.6.8)
       nio4r (~> 2.0)
     qa (5.11.0)
       activerecord-import
@@ -812,7 +812,7 @@ DEPENDENCIES
   pg
   pointless_feedback
   popper_js
-  puma (~> 5.1)
+  puma (~> 5.6)
   rack-cors
   rack-mini-profiler (~> 2.3.1)
   rails (~> 6.1.0)