Fixed webhooks

Author: Nahuel-M

poem-openapi-derive/src/webhook.rs

@@ -234,6 +234,7 @@ fn generate_operation(
                     required: <#arg_ty as #crate_name::ApiExtractor>::PARAM_IS_REQUIRED,
                     deprecated: #deprecated,
                     explode: #explode,
+                    style: ::std::option::Option::None
                 };
                 params.push(meta_param);
             }

poem-openapi/tests/webhook.rs

@@ -126,6 +126,7 @@ async fn parameters() {
                 required: true,
                 deprecated: false,
                 explode: true,
+                style: None,
             },
             MetaOperationParam {
                 name: "b".to_string(),
@@ -135,6 +136,7 @@ async fn parameters() {
                 required: true,
                 deprecated: false,
                 explode: true,
+                style: None,
             }
         ]
     );