Bump graphql from 2.2.5 to 2.2.8

Bumps [graphql](https://github.com/rmosolgo/graphql-ruby) from 2.2.5 to 2.2.8.
- [Release notes](https://github.com/rmosolgo/graphql-ruby/releases)
- [Changelog](https://github.com/rmosolgo/graphql-ruby/blob/master/CHANGELOG.md)
- [Commits](rmosolgo/graphql-ruby@v2.2.5...v2.2.8)

---
updated-dependencies:
- dependency-name: graphql
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -152,8 +152,7 @@ GEM
     globalid (1.2.1)
       activesupport (>= 6.1)
     google-protobuf (3.25.2)
-    graphql (2.2.5)
-      racc (~> 1.4)
+    graphql (2.2.8)
     hashdiff (1.1.0)
     http_parser.rb (0.8.0)
     i18n (1.14.1)