Bump graphql from 5.1.2-beta.5 to 5.1.2-beta.6 in /auto_submit (#2330)

Bumps [graphql](https://github.com/zino-app/graphql-flutter/tree/master/packages) from 5.1.2-beta.5 to 5.1.2-beta.6.
- [Release notes](https://github.com/zino-app/graphql-flutter/releases)
- [Changelog](https://github.com/zino-hofmann/graphql-flutter/blob/main/changelog-v3-v4.md)
- [Commits](https://github.com/zino-app/graphql-flutter/commits/graphql-v5.1.2-beta.6/packages)

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

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/auto_submit/pubspec.lock b/auto_submit/pubspec.lock
index f5a5873..1d4f54d 100644
--- a/auto_submit/pubspec.lock
+++ b/auto_submit/pubspec.lock
@@ -294,7 +294,7 @@
       name: graphql
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.1.2-beta.5"
+    version: "5.1.2-beta.6"
   graphs:
     dependency: transitive
     description:
diff --git a/auto_submit/pubspec.yaml b/auto_submit/pubspec.yaml
index 99ab653..0eedbd4 100644
--- a/auto_submit/pubspec.yaml
+++ b/auto_submit/pubspec.yaml
@@ -16,7 +16,7 @@
   github: ^9.7.0
   googleapis: ^9.2.0
   googleapis_auth: ^1.3.1
-  graphql: ^5.1.1
+  graphql: ^5.1.2-beta.6
   gql: ^0.14.0
   http: ^0.13.5
   json_annotation: ^4.7.0