feat: Update API models

[github-actions[bot]]

amazon-warehousing-and-distribution-model:

• Quantity details at SKU level for the shipment.
• Total quantity that is in-transit from the seller and has not yet been received at an AWD Distribution Center.

fulfillment-outbound-api-model:

• A delivery document for a package
• The delivery information for the package

listings-items-api-model-v20210801:

• Add a function to Search for and return list of listings items and respective details for a selling partner

sellers-api-model:

• Add a function to Return information about a seller account and its marketplaces

vendor-orders-api-model:

• Retrieve The unit of measure for prices of items sold by weight

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 57.00%. Comparing base (67711f1) to head (fd11ddc).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1111 +/- ## ======================================= Coverage 57.00% 57.00% ======================================= Files 69 69 Lines 621 621 Branches 28 29 +1 ======================================= Hits 354 354 Misses 267 267 ```

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[github-actions[bot]]

:tada: This PR is included in version 8.0.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: