DEVDOCS-6159 - Improve accuracy of attributes that trigger a product/…

…updated webhook (#686)

Updated list to reflect all attributes that trigger the webhook.

<!-- Ticket number or summary of work -->
# [DEVDOCS-6159]


## What changed?
Documentation:
https://developer.bigcommerce.com/docs/integrations/webhooks/events#product-update-events
* Is Featured was removed (duplicate)
* SKU was added
* Weight was added
* Condition nested list was added
* Condition Visibility was added
* Pricing nested list was added
* Cost Price was added
* Retail Price was added
* Sale Price was added
* Is Price Hidden was added
* Price-hidden Label was added
* Tax Price was changed to Tax Class
* Inventory was removed
* Inventory nested list was added
* Inventory Tracking was added
* Current Stock Level (only if Inventory Tracking is enabled) was added
* Number of Reviews was added
* Shipping Details nested list was added
* Fixed Shipping Price was added
* Is Free Shipping was added
* Related Products was added
* Template Layout File was added
* Availability nested list was added
* Availability Description was added
* Preorder nested list was added
* Is Preorder Only was added
* UPC/EAN was added
* Order Quantity Minimum was added
* Order Quantity Maximum was added
* Open Graph nested list was added
* Type was added into Open Graph
* Title was added into Open Graph
* Description was added into Open Graph
* Use Product Name was added into Open Graph
* Use Meta Description was added into Open Graph
* Use Image was added into Open Graph

## Release notes draft
* Re-work for the Product Update Events documentation to be more
explicit about product attributes.

## Anything else?
<!-- Add related PRs, salient notes, additional ticket numbers, etc. -->

ping {@bc-traciporter}


[DEVDOCS-6159]:
https://bigcommercecloud.atlassian.net/browse/DEVDOCS-6159?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

---------

Co-authored-by: Traci Porter <[email protected]>

docs/integrations/webhooks/events/index.mdx

@@ -861,29 +861,63 @@ Payload objects with the following scopes take the form that follows:
 
 A change to any of the following fields triggers a `store/product/updated` event:
 
-* Availability
-* Category
-* Brand
-* Condition
+* Availability:
+  * Availability
+  * Availability Description
+* Categories
+* Brand ID
+* Condition:
+  * Condition
+  * Is Condition Shown
 * Description
-* Dimensions
-* Featured
-* Inventory
+* Dimensions:
+  * Depth
+  * Height
+  * Width
+* Inventory:
+  * Inventory Tracking
+  * Inventory Level (only if Inventory Tracking is enabled)
 * Is Featured
 * Meta Description
 * Modifier - deleted
 * Name
-* Number Sold
+* Order Quantity Minimum
+* Order Quantity Maximum
+* Open Graph:
+  * Type
+  * Title
+  * Description
+  * Use Product Name
+  * Use Meta Description
+  * Use Image
 * Page Title
-* Pre-order Message
-* Price
+* Pre-order:
+  * Is Preorder Only
+  * Preorder Message
+* Pricing: 
+  * Price
+  * Cost Price
+  * Retail Price
+  * Sale Price 
+  * Is Price Hidden
+  * Price-hidden Label
 * Product Type
+* Related Products
+* Review Count
 * Search Keywords
+* Shipping Details:
+  * Fixed Cost Shipping Price
+  * Is Free Shipping
+* SKU
 * Sort Order
-* Tax Price
+* Tax Class ID
+* Layout File
 * Thumbnail - new images only*
+* Total Sold
+* UPC
 * Visibility
 * Warranty
+* Weight
 
 A change to the following field triggers the `store/product/updated` event only if the change is made for a _channel locale_. For more information, see the [International Enhancements for Multi-Storefront](/docs/store-operations/catalog/msf-international-enhancements) overview.