### What problem does this PR solve?
Alibaba Could OSS config issue #13390.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Aliyun OSS do not support boto s4 signature_version which will lead to
an error:
```
botocore.exceptions.ClientError: An error occurred (InvalidArgument) when calling the PutObject operation: aws-chunked encoding is not supported with the specified x-amz-content-sha256 value
```
According to aliyun oss docs, oss_conn need to use s3 signature_version.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Enhance aliyun oss access with adding prefix path.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)