modify schema in a compatible way to maybe fix typescript sdk

doc/api/garage-admin-v2.json

@@ -3922,6 +3922,11 @@
             }
           },
           {
+            "$ref": "#/components/schemas/NodeRoleUpdate"
+          }
+        ]
+      },
+      "NodeRoleUpdate": {
         "allOf": [
           {
             "$ref": "#/components/schemas/NodeAssignedRole"
@@ -3939,8 +3944,6 @@
             }
           }
         ]
-          }
-        ]
       },
       "NodeUpdateTrackers": {
         "type": "object",

src/api/admin/openapi.rs

@@ -293,13 +293,16 @@ pub enum NodeRoleChangeOpenapi {
 		/// Set `remove` to `true` to remove the node from the layout
 		remove: bool,
 	},
+	Update(NodeRoleUpdate),
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
 #[serde(rename_all = "camelCase")]
-	Update {
+pub struct NodeRoleUpdate {
 	/// ID of the node for which this change applies
 	id: String,
 	#[serde(flatten)]
 	role: NodeAssignedRole,
-	},
 }
 
 #[utoipa::path(post,