postman
http put
body raw xml
AWS Signature
AWS Region  auto
Service Name s3
https://****************.r2.cloudflarestorage.com/vc-cc?cors
<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    <CORSRule>
        <AllowedMethod>GET</AllowedMethod>
         <AllowedMethod>HEAD</AllowedMethod>
        <AllowedMethod>OPTIONS</AllowedMethod>
        <AllowedOrigin>*</AllowedOrigin>
        <AllowedHeader>*</AllowedHeader>
    </CORSRule>
</CORSConfiguration>