set KvV2WriteRequest data as required to match spec

docs/KvV2WriteRequest.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Data** | Pointer to **map[string]interface{}** | The contents of the data map will be stored and returned on read. | [optional] 
+**Data** | **map[string]interface{}** | The contents of the data map will be stored and returned on read. | 
 **Options** | Pointer to **map[string]interface{}** | Options for writing a KV entry. Set the \"cas\" value to use a Check-And-Set operation. If not set the write will be allowed. If set to 0 a write will only be allowed if the key doesn’t exist. If the index is non-zero the write will only be allowed if the key’s current version matches the version specified in the cas parameter. | [optional] 
 **Version** | Pointer to **int32** | If provided during a read, the value at the version number will be returned | [optional] 
 

openapi.json

@@ -36917,7 +36917,10 @@
             "type": "integer",
             "description": "If provided during a read, the value at the version number will be returned"
           }
-        }
+        },
+          "required": [
+              "data"
+          ]
       },
       "KvV2WriteResponse": {
         "type": "object",