chore(docs): Updated API Reference (v2) (#9552)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>
Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/utils/generated/oas-output/schemas/AdminPostOrderEditsUpdateItemQuantityReqSchema.ts

@@ -14,6 +14,10 @@
  *     type: string
  *     title: internal_note
  *     description: A note viewed only by admin users.
+ *   unit_price:
+ *     type: number
+ *     title: unit_price
+ *     description: The item's unit price.
  * 
 */