chore(docs): Updated API Reference (#6831)

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/apps/api-reference/specs/admin/openapi.full.yaml

@@ -17037,6 +17037,28 @@ paths:
           description: Filter product variants by whether they are allowed to be backordered or not.
           schema:
             type: boolean
+        - in: query
+          name: inventory_quantity
+          description: Filter by available inventory quantity
+          schema:
+            oneOf:
+              - type: number
+                description: a specific number to filter by.
+              - type: object
+                description: filter using less and greater than comparisons.
+                properties:
+                  lt:
+                    type: number
+                    description: filter by inventory quantity less than this number
+                  gt:
+                    type: number
+                    description: filter by inventory quantity greater than this number
+                  lte:
+                    type: number
+                    description: filter by inventory quantity less than or equal to this number
+                  gte:
+                    type: number
+                    description: filter by inventory quantity greater than or equal to this number
         - in: query
           name: created_at
           description: Filter by a creation date range.
@@ -26497,6 +26519,21 @@ paths:
           schema:
             type: number
             default: '100'
+        - in: query
+          name: order
+          description: The field to sort the data by. By default, the sort order is ascending. To change the order to descending, prefix the field name with `-`.
+          schema:
+            type: string
+        - in: query
+          name: manage_inventory
+          description: Filter product variants by whether their inventory is managed or not.
+          schema:
+            type: boolean
+        - in: query
+          name: allow_backorder
+          description: Filter product variants by whether they are allowed to be backordered or not.
+          schema:
+            type: boolean
         - in: query
           name: cart_id
           style: form

www/apps/api-reference/specs/admin/paths/admin_products_{id}_variants.yaml

@@ -69,6 +69,30 @@ get:
         not.
       schema:
         type: boolean
+    - in: query
+      name: inventory_quantity
+      description: Filter by available inventory quantity
+      schema:
+        oneOf:
+          - type: number
+            description: a specific number to filter by.
+          - type: object
+            description: filter using less and greater than comparisons.
+            properties:
+              lt:
+                type: number
+                description: filter by inventory quantity less than this number
+              gt:
+                type: number
+                description: filter by inventory quantity greater than this number
+              lte:
+                type: number
+                description: filter by inventory quantity less than or equal to this number
+              gte:
+                type: number
+                description: >-
+                  filter by inventory quantity greater than or equal to this
+                  number
     - in: query
       name: created_at
       description: Filter by a creation date range.

www/apps/api-reference/specs/admin/paths/admin_variants.yaml

@@ -47,6 +47,25 @@ get:
       schema:
         type: number
         default: '100'
+    - in: query
+      name: order
+      description: >-
+        The field to sort the data by. By default, the sort order is ascending.
+        To change the order to descending, prefix the field name with `-`.
+      schema:
+        type: string
+    - in: query
+      name: manage_inventory
+      description: Filter product variants by whether their inventory is managed or not.
+      schema:
+        type: boolean
+    - in: query
+      name: allow_backorder
+      description: >-
+        Filter product variants by whether they are allowed to be backordered or
+        not.
+      schema:
+        type: boolean
     - in: query
       name: cart_id
       style: form