Fix required query parameter

Author: lcawl

output/schema/schema.json

@@ -156,12 +156,6 @@
       ],
       "response": []
     },
-    "inference.put_watsonx": {
-      "request": [
-        "Request: path parameter 'task_type' is required in the json spec"
-      ],
-      "response": []
-    },
     "inference.update": {
       "request": [
         "/_inference/{inference_id}/_update: different http methods in the json spec",

output/schema/validation-errors.json

@@ -51,7 +51,7 @@ export interface Request extends RequestBase {
      * The task type.
      * The only valid task type for the model to perform is `text_embedding`.
      */
-    task_type?: WatsonxTaskType
+    task_type: WatsonxTaskType
     /**
      * The unique identifier of the inference endpoint.
      */