Update src/ByteBard.AsyncAPI/Models/AsyncApiChannel.cs

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Signed-off-by: Alex Wichmann <VisualBean@users.noreply.github.com>

Author: VisualBean

src/ByteBard.AsyncAPI/Models/AsyncApiChannel.cs

@@ -144,8 +144,8 @@ public virtual void SerializeV3(IAsyncApiWriter writer)
                 }
 
                 writer.WriteOptionalCollection(AsyncApiConstants.Tags, this.Tags, (w, t) => t.SerializeV3(w));
-                writer.WriteOptionalObject(AsyncApiConstants.ExternalDocs, this.ExternalDocs, (w, s) => s.SerializeV2(w));
-                writer.WriteOptionalObject(AsyncApiConstants.Bindings, this.Bindings, (w, t) => t.SerializeV2(w));
+                writer.WriteOptionalObject(AsyncApiConstants.ExternalDocs, this.ExternalDocs, (w, s) => s.SerializeV3(w));
+                writer.WriteOptionalObject(AsyncApiConstants.Bindings, this.Bindings, (w, t) => t.SerializeV3(w));
                 writer.WriteExtensions(this.Extensions);
 
                 writer.WriteEndObject();