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

Author: app-services-ci

.openapi/kas-fleet-manager.yaml

@@ -467,6 +467,7 @@ paths:
         - $ref: "#/components/parameters/id"
         - $ref: '#/components/parameters/page'
         - $ref: '#/components/parameters/size'
+        - $ref: '#/components/parameters/instance_type'
   /api/kafkas_mgmt/v1/service_accounts:
     get:
       responses:
@@ -1333,6 +1334,18 @@ components:
       schema:
         type: string
       style: form
+    instance_type:
+      name: instance_type
+      description: The Kafka instance type to filter the results by
+      in: query
+      schema:
+        type: string
+      required: false
+      examples:
+        eval_instance_type:
+          value: "eval"
+        standard_instance_type:
+          value: "standard"
   securitySchemes:
     Bearer:
       scheme: bearer