fix(openapi): update kafka-mgmt/v1 OpenAPI document (#166)

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

Author: app-services-ci

.openapi/kas-fleet-manager.yaml

@@ -1036,9 +1036,16 @@ components:
           type: array
           items: 
             type: string
+        capacity:
+          description: 'Indicates whether there is capacity left per instance type'
+          type: array
+          items:
+            allOf:
+              - $ref: "#/components/schemas/RegionCapacityListItem"
       required:
         - enabled
         - supported_instance_types
+        - capacity
     ServiceAccount:
       description: 'Service Account created in MAS-SSO for the Kafka Cluster for authentication'
       allOf:
@@ -1079,6 +1086,18 @@ components:
           type: string
       example:
         $ref: "#/components/examples/ServiceAccountRequestExample"
+    RegionCapacityListItem:
+      description: 'schema for a kafka instance type capacity in region'
+      type: object
+      properties:
+        instance_type:
+          description: 'kafka instance type'
+          type: string
+        max_capacity_reached:
+          description: 'flag indicating whether the capacity for the instance type in the region is reached'
+          type: boolean
+      required:
+        - max_capacity_reached
     ServiceAccountListItem:
       description: ''
       allOf:
@@ -1433,7 +1452,13 @@ components:
         id: "us-east-1"
         display_name: "US East, N. Virginia"
         enabled: true
-        supported_instance_types: ["standard", "eval"]
+        supported_instance_types: ["standard"]
+        capacity: [
+          {
+              instance_type: "standard",
+              max_capacity_reached: true
+          }
+        ]
     ServiceAccountRequestExample:
       value:
         name: "my-app-sa"