Merge pull request #734 from XeroAPI/feature/bytearray-v2

fixes response schema for getManualJournalAttachmentById

Author: manishT72

xero_accounting.yaml

@@ -10776,7 +10776,7 @@ paths:
             application/octet-stream:
               schema:
                 type: string
-                format: byte
+                format: binary
   /ManualJournals/{ManualJournalID}/Attachments/{FileName}:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'