feat(client-python): Azure Blob storage backend integration

### Use Case

When hosting OpenCTI in an Azure environment, native Azure Blob Storage cannot be used to store artifacts.

### Current Workaround

" S3 Proxy " or VM + FUSE ..

### Proposed Solution

Storage abstraction layer (almost already implemented) + Azure integration

### Additional Information

_No response_

### If the feature request is approved, would you be willing to submit a PR?

Yes