Purchasing Document Header Attachments Changes REST Endpoints

Purchasing Document Changes/Purchasing Document Header Attachments Changes
Management of changes to purchase order header attachments on an approved version for comparison.
Get all header attachment changes
Method: get
Path: /fscmRestApi/resources/11.13.18.05/purchasingDocumentChanges/{VersionId}/child/attachments
Get one header attachment changes
Method: get
Path: /fscmRestApi/resources/11.13.18.05/purchasingDocumentChanges/{VersionId}/child/attachments/{VersionId2}