auto-docs: Update Cloud API spec

modules/ROOT/attachments/cloud-api.yaml

@@ -2698,6 +2698,8 @@ components:
           type: string
         state:
           $ref: '#/components/schemas/ServerlessCluster.State'
+        tier:
+          $ref: '#/components/schemas/Tier'
         updated_at:
           description: Timestamp when the Serverless cluster was updated.
           format: date-time
@@ -2763,6 +2765,8 @@ components:
         serverless_region:
           description: Name of the region where the Serverless cluster will be provisioned.
           type: string
+        tier:
+          $ref: '#/components/schemas/Tier'
       required:
         - name
         - resource_group_id
@@ -2773,7 +2777,9 @@ components:
       description: Resource describing a ServerlessRegion.
       properties:
         available:
-          description: Region available.
+          description: |-
+            Region available.
+            Deprecated: Use `tiers_available` instead.
           type: boolean
         cloud_provider:
           $ref: '#/components/schemas/v1beta2.CloudProvider'
@@ -2787,6 +2793,11 @@ components:
           description: Unique name of the Serverless region.
           example: int-eu-west-1
           type: string
+        tiers_available:
+          description: Tiers available in this region.
+          items:
+            $ref: '#/components/schemas/Tier'
+          type: array
       title: ServerlessRegion
       type: object
     SetConfiguration:
@@ -3014,6 +3025,14 @@ components:
           title: This will be used during the migration period, remove before it becomes GA
           type: boolean
       type: object
+    Tier:
+      description: |2-
+         - TIER_STANDARD: Tier Standard represents a standard tier.
+         - TIER_PRO: Tier PRO represents a PRO tier.
+      enum:
+        - TIER_STANDARD
+        - TIER_PRO
+      type: string
     TimeZone:
       description: |-
         Represents a time zone from the