[XBAP-17277] - Added new BrandingThemeId property to the Prepayment schema and response payload (#806)

* feat: [XBAP-17277] expose BrandingThemeID on Prepayment schema and response examples

* chore: bump version to 10.1.0

* feat: [XBAP-17277] add readonly attribute to BrandingThemeId

---------

Co-authored-by: Ripal Parikh <ripal.parikh@xero.com>
Co-authored-by: semantic-release-bot <semantic-release-bot@martynus.net>

Author: 3 people

xero_accounting.yaml

@@ -12667,6 +12667,7 @@ paths:
                     ID: ce0cddef-cf5a-4e59-b638-f225679115a7
                     CurrencyRate: 1.000000
                     Type: RECEIVE-PREPAYMENT
+                    BrandingThemeID: 414d4a87-46d6-4cfc-ab42-4e29d22e5076
                     Reference: INV-0011
                     InvoiceNumber: INV-0011
                     RemainingCredit: 3449.00
@@ -23981,6 +23982,11 @@ components:
           description: Xero generated unique identifier
           type: string
           format: uuid
+        BrandingThemeID:
+          description: The unique identifier of the branding template applied to a receive prepayment
+          type: string
+          format: uuid
+          readOnly: true
         CurrencyRate:
           description: The currency rate for a multicurrency prepayment. If no rate is specified, the XE.com day rate is used
           type: number