Bump graphql from 1.12.5 to 1.12.6

Bumps [graphql](https://github.com/rmosolgo/graphql-ruby) from 1.12.5 to 1.12.6.
- [Release notes](https://github.com/rmosolgo/graphql-ruby/releases)
- [Changelog](https://github.com/rmosolgo/graphql-ruby/blob/master/CHANGELOG.md)
- [Commits](rmosolgo/graphql-ruby@v1.12.5...v1.12.6)

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

Gemfile

@@ -65,7 +65,7 @@ gem 'sorbet-runtime', '~> 0.5'
 gem "sorbet-rails", '~> 0.7'
 
 # GraphQL API https://github.com/rmosolgo/graphql-ruby
-gem 'graphql', '~> 1.12.5'
+gem 'graphql', '~> 1.12.6'
 
 # Doorkeeper for OAuth API tokens
 gem "doorkeeper", "5.5.0.rc2"

Gemfile.lock

@@ -164,7 +164,7 @@ GEM
       ruby-progressbar (~> 1.4)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    graphql (1.12.5)
+    graphql (1.12.6)
     graphql-rails_logger (1.2.3)
       actionpack (> 5.0)
       activesupport (> 5.0)
@@ -479,7 +479,7 @@ DEPENDENCIES
   faker (~> 2.16)
   friendly_id (~> 5.4.2)
   fuubar (~> 2.5.1)
-  graphql (~> 1.12.5)
+  graphql (~> 1.12.6)
   graphql-rails_logger (~> 1.2.3)
   image_processing (~> 1.12)
   inline_svg (~> 1.7)