chore(docs): Generated API Reference (#3262)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

docs/api/admin/components/schemas/ShippingTaxRate.yaml

@@ -4,8 +4,11 @@ description: >-
   option is taxed in a certain way
 type: object
 required:
-  - shipping_option_id
+  - created_at
+  - metadata
   - rate_id
+  - shipping_option_id
+  - updated_at
 properties:
   shipping_option_id:
     description: The ID of the Shipping Option
@@ -13,6 +16,7 @@ properties:
     example: so_01G1G5V27GYX4QXNARRQCW1N8T
   shipping_option:
     description: Available if the relation `shipping_option` is expanded.
+    nullable: true
     $ref: ./ShippingOption.yaml
   rate_id:
     description: The ID of the Tax Rate
@@ -20,17 +24,19 @@ properties:
     example: txr_01G8XDBAWKBHHJRKH0AV02KXBR
   tax_rate:
     description: Available if the relation `tax_rate` is expanded.
+    nullable: true
     $ref: ./TaxRate.yaml
   created_at:
-    type: string
     description: The date with timezone at which the resource was created.
+    type: string
     format: date-time
   updated_at:
-    type: string
     description: The date with timezone at which the resource was updated.
+    type: string
     format: date-time
   metadata:
-    type: object
     description: An optional key-value map with additional details
+    nullable: true
+    type: object
     example:
       car: white