Add "Nodes batch size" section to migrate-from-12-to-13.md (#5896)

Co-authored-by: Tobias Tengler <45513122+tobias-tengler@users.noreply.github.com>
ChilliCream · Mar 2, 2023 · 7acae5a · 7acae5a
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diff --git a/website/src/docs/hotchocolate/v13/migrating/migrate-from-12-to-13.md b/website/src/docs/hotchocolate/v13/migrating/migrate-from-12-to-13.md
@@ -114,6 +114,18 @@ app.MapGraphQL().WithOptions(new GraphQLServerOptions
 });
 ```
 
+## Nodes batch size
+
+The number of nodes that can be requested through the `nodes` field is limited to 10 by default.
+See [Nodes batch size](/docs/hotchocolate/v13/security#nodes-batch-size) for the details.
+
+You can change this default to suite the needs of your application as shown below:
+
+```csharp
+builder.Services.AddGraphQLServer()
+    .ModifyOptions(o => o.MaxAllowedNodeBatchSize = 1);
+```
+
 ## UseOffsetPaging
 
 In this release we aligned the naming of types generated by `UseOffsetPaging` with the behavior of `UsePaging`.