v.21.6Improvement

Fix Error Handling in Poco HTTP Client for AWS

Fix error handling in Poco HTTP Client for AWS. #22973 (kreuzerkrieg).
Improved error handling in the Poco HTTP Client used for AWS requests in ClickHouse.

Why it matters

This update addresses and fixes issues with how errors are managed during HTTP communications with AWS services, enhancing the reliability and stability of AWS integrations.

How to use it

The fix is integrated into the ClickHouse HTTP client for AWS and requires no user intervention; users benefit automatically after updating to the version containing this fix.