SIENTIAPDE-1231

Enhance MinIO integration and update environment configurations

- Added MinIO configuration parameters to .env.example and values.yaml for improved storage management.
- Updated requirements.txt to include necessary libraries for MinIO support.
- Refactored Activities class to utilize Storage for MinIO interactions.
- Enhanced MLFlow class to integrate MinIO for data retrieval during model retraining.
- Introduced build_minio_config function to streamline MinIO configuration setup.
- Updated minimal_retrain workflow to support data storage in MinIO.

requirements.txt

@@ -6,3 +6,7 @@ redis
 git+ssh://git@github.com/Aignosi/sientia-dataops-library.git@1.4.6
 git+ssh://git@github.com/Aignosi/sientia-mlops-library.git@0.39.0
 prometheus-client
+botocore
+boto3
+s3fs
+pyarrow