fix(openapi): update kafka-mgmt/v1 OpenAPI document (#131)

Co-authored-by: app-services-ci <app-services-ci@users.noreply.github.com>

Author: app-services-ci

.openapi/kas-fleet-manager.yaml

@@ -1279,7 +1279,25 @@ components:
       description: |-
         Specifies the order by criteria. The syntax of this parameter is
         similar to the syntax of the `order by` clause of an SQL statement.
-        Each query can be ordered by any of the `kafkaRequests` fields.
+        Each query can be ordered by any of the following `kafkaRequests` fields:
+
+        * bootstrap_server_host
+        * cloud_provider
+        * cluster_id
+        * created_at
+        * href
+        * id
+        * instance_type
+        * multi_az
+        * name
+        * organisation_id
+        * owner
+        * reauthentication_enabled
+        * region
+        * status
+        * updated_at
+        * version
+
         For example, to return all Kafka instances ordered by their name, use the following syntax:
 
         ```sql