Bump graphql from 5.2.0-beta.5 to 5.2.0-beta.6 in /auto_submit (#3040)

Bumps [graphql](https://github.com/zino-app/graphql-flutter/tree/main/packages) from 5.2.0-beta.5 to 5.2.0-beta.6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/zino-app/graphql-flutter/releases">graphql's releases</a>.</em></p>
<blockquote>
<h2>graphql-v5.2.0-beta.6</h2>
<h1>v5.2.0-beta.6</h1>
<h2>Fixed</h2>
<ul>
<li>Send SubscriptionComplete message when using graphqlTra� (<a href="https://github.com/zino-hofmann/graphql-flutter/commit/6e73d62ba2b8a58a35b3b18e372003462a73e192">commit</a>). @ 30-08-2023</li>
</ul>
<h2>Added</h2>
<ul>
<li>Send custom payload in PingMessage (<a href="https://github.com/zino-hofmann/graphql-flutter/commit/19d5c86b98e889b333996da43126f9404a9a4556">commit</a>). <a href="https://github.com/Rochak69"><code>@�Rochak69</code></a> 31-08-2023</li>
<li>added WebSocket token refresh and autoReconnect toggling (<a href="https://github.com/zino-hofmann/graphql-flutter/commit/e1c6d5404be2ff54f916bceab6bb52a04bae5d01">commit</a>). <a href="https://github.com/vytautas-pranskunas"><code>@�vytautas-pranskunas</code></a>- 24-07-2023</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/zino-hofmann/graphql-flutter/commit/90532b25200f5ad837519bc23d72a33586d6eb88"><code>90532b2</code></a> meta: generate the changelog for the new graphql version</li>
<li><a href="https://github.com/zino-hofmann/graphql-flutter/commit/060fb63fd0086546e9f5ebe1ee6d077eb422f298"><code>060fb63</code></a> Merge pull request <a href="https://github.com/zino-app/graphql-flutter/tree/main/packages/issues/1374">#1374</a> from Rochak69/main</li>
<li><a href="https://github.com/zino-hofmann/graphql-flutter/commit/19d5c86b98e889b333996da43126f9404a9a4556"><code>19d5c86</code></a> feat(graphql): Send custom payload in PingMessage</li>
<li><a href="https://github.com/zino-hofmann/graphql-flutter/commit/6e73d62ba2b8a58a35b3b18e372003462a73e192"><code>6e73d62</code></a> fix(graphql): Send SubscriptionComplete message when using graphqlTransportWs...</li>
<li><a href="https://github.com/zino-hofmann/graphql-flutter/commit/e1c6d5404be2ff54f916bceab6bb52a04bae5d01"><code>e1c6d54</code></a> feat(graphql): added WebSocket token refresh and autoReconnect toggling</li>
<li><a href="https://github.com/zino-hofmann/graphql-flutter/commit/48dc9030a3ef3dbc45becdbbb5c80407a7940ade"><code>48dc903</code></a> hotfix: fixing the flutter pubspec version</li>
<li>See full diff in <a href="https://github.com/zino-app/graphql-flutter/commits/graphql-v5.2.0-beta.6/packages">compare view</a></li>
</ul>
</details>
<br />

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auto_submit/pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
   github: 9.17.0
   googleapis: 11.4.0
   googleapis_auth: 1.4.1
-  graphql: 5.2.0-beta.5
+  graphql: 5.2.0-beta.6
   gql: 1.0.1-alpha+1691943394579
   http: 1.1.0
   json_annotation: 4.8.1