Changes to Update customer

removed subschema #1: Standard User Details Patch subschema #2: W-9 Form Update subschema #3: W-9 Exemption Update subschema #4: Tax Withholding Update subschema #5: Change of Address subschema #6: Change of Name subschema #7: Update Requiring Supporting Documentation from the request body oneOf list

added the new virtual_accounts enum value to the message/signed_agreements/items/type response property for the response status 200

added subschema #1: Standard User Details Patch subschema #2: W-9 Form document generation subschema #3: W-9 Form document upload subschema #4: W-9 Exemption Update subschema #5: Tax Withholding Update subschema #6: Signed Agreements Update subschema #7: Change of Address subschema #8: Change of Name subschema #9: Update Requiring Supporting Documentation subschema #10: W-8BEN Form Update (foreign individual) subschema #11: KYC / Compliance Update subschema #12: Enhanced Due Diligence (EDD) Update subschema #13: All Accepted Fields (reference) to the request body anyOf list