chore(docs): Generated API Reference (#3021)

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

docs/api/store-spec3.json

@@ -8224,6 +8224,10 @@ components:
           items:
             type: object
             description: A product category object.
+        parent_category_id:
+          description: The ID of the parent category.
+          type: string
+          default: null
         parent_category:
           description: >-
             A product category object. Available if the relation