Connected to ClickHouse server version 21.13.1 revision 54455.

```
INSERT INTO FUNCTION s3('https://s3.us-east-1.amazonaws.com/dzhuravlev/small_file.xml.gz', 'XML', 
'number UInt64', 'gz') SELECT * FROM numbers(10);

INSERT INTO FUNCTION s3('https://s3.us-east-1.amazonaws.com/dzhuravlev/large_file.xml.gz','XML', 
'number UInt64','gz') SELECT * from numbers(1e8);

aws s3api head-object --bucket  dzhuravlev  --key small_file.xml.gz
{
    "AcceptRanges": "bytes",
    "LastModified": "Mon, 24 Jan 2022 21:28:50 GMT",
    "ContentLength": 262,
    "ETag": "\"667796620f85cd6bad6957ea01d29548\"",
    "ContentType": "binary/octet-stream",
    "Metadata": {}
}

aws s3api head-object --bucket  dzhuravlev --key large_file.xml.gz
{
    "AcceptRanges": "bytes",
    "LastModified": "Mon, 24 Jan 2022 21:29:08 GMT",
    "ContentLength": 261909920,
    "ETag": "\"829dbc9697bcffd1528e8e6f55c564f4-8\"",
    "ContentType": "application/xml",                      ---<<<<<<<<<<<-- expected "ContentType": "binary/octet-stream",
    "Metadata": {}
}
```

So it seems that if the object size is bigger than 32MB then Clickhouse sets the wrong ContentType `application/xml` instead of `binary/octet-stream`.

#include <Common/config.h>
#if USE_AWS_S3
#    include <IO/WriteBufferFromS3.h>
#    include <IO/WriteHelpers.h>
#    include <aws/s3/S3Client.h>
#    include <aws/s3/model/CreateMultipartUploadRequest.h>
#    include <aws/s3/model/CompleteMultipartUploadRequest.h>
#    include <aws/s3/model/PutObjectRequest.h>
#    include <aws/s3/model/UploadPartRequest.h>
#    include <base/logger_useful.h>
#    include <utility>
namespace ProfileEvents
{
    extern const Event S3WriteBytes;
}
namespace DB
{
const int S3_WARN_MAX_PARTS = 10000;
namespace ErrorCodes
{
    extern const int S3_ERROR;
}
struct WriteBufferFromS3::UploadPartTask
{
    Aws::S3::Model::UploadPartRequest req;
    bool is_finised = false;
    std::string tag;
    std::exception_ptr exception;
};
struct WriteBufferFromS3::PutObjectTask