InvalidCredsError with upload_object_via_stream() on Aurora Objects

## Summary

When trying to upload a file to Aurora Objects through `upload_object_via_stream()`, I get an `InvalidCredsError`.

## Detailed Information

When I try the following code:

```python3
from libcloud.storage.types import Provider
from libcloud.storage.providers import get_driver

cls = get_driver(Provider.AURORAOBJECTS)
driver = cls('api-key', 'secret-key')

container = driver.get_container('container')

container.upload_object_via_stream(iter([b'test']), 'test.txt')
```

It results in the following error:

```
Traceback (most recent call last):
File "", line 1, in
File "/home/wout/project/.venv/lib/python3.9/site-packages/libcloud/storage/base.py", line 216, in upload_object_via_stream
return self.driver.upload_object_via_stream(
File "/home/wout/project/.venv/lib/python3.9/site-packages/libcloud/storage/drivers/s3.py", line 747, in upload_object_via_stream
return self._put_object_multipart(container=container,
File "/home/wout/project/.venv/lib/python3.9/site-packages/libcloud/storage/drivers/s3.py", line 988, in _put_object_multipart
upload_id = self._initiate_multipart(container, object_name,
File "/home/wout/project/.venv/lib/python3.9/site-packages/libcloud/storage/drivers/s3.py", line 572, in _initiate_multipart
response = self.connection.request(request_path, method='POST',
File "/home/wout/project/.venv/lib/python3.9/site-packages/libcloud/common/base.py", line 667, in request
response = responseCls(**kwargs)
File "/home/wout/project/.venv/lib/python3.9/site-packages/libcloud/common/base.py", line 167, in __init__
message=self.parse_error(),
File "/home/wout/project/.venv/lib/python3.9/site-packages/libcloud/storage/drivers/s3.py", line 138, in parse_error
raise InvalidCredsError(self.body)
libcloud.common.types.InvalidCredsError: 'SignatureDoesNotMatchtx00000000000004e0ebfe5-00620a68e9-1d4a885a-ams021d4a885a-ams02-eu'
```

However `upload_object()` is working fine as follows:

```python3
from libcloud.storage.types import Provider
from libcloud.storage.providers import get_driver

cls = get_driver(Provider.AURORAOBJECTS)
driver = cls('api-key', 'secret-key')

container = driver.get_container('container')

container.upload_object('test.txt', 'test.txt')
```

I am using Python 3.9.8-1 on Debian unstable with Libcloud 3.4.1.

Bắt đầu trong libcloud/storage/drivers/s3.py tại upload_object_via_stream(), _put_object_multipart() và _initiate_multipart(), đồng thời so sánh luồng này với luồng upload_object() đang hoạt động. Tái hiện ví dụ Aurora Objects và lần theo request khởi tạo multipart; công việc được xem là hoàn tất khi các lượt upload bằng streaming thành công mà không có SignatureDoesNotMatch hoặc InvalidCredsError.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.