Adjusting cancel and ensure close

[Paultagoras]

Summary

• Adjusts the cancel() method to use try-with-resources
• Tries to ensure all of the .close() methods will be called (before bubbling up exceptions)

Checklist

Delete items not relevant to your PR:

• Closes issue
• Unit and integration tests covering the common scenarios were added
• A human-readable description of the changes was provided to include in CHANGELOG
• For significant changes, documentation in https://github.com/ClickHouse/clickhouse-docs was updated with further explanations or tutorials

[chernser]

@Paultagoras We need tests for this:

• cancel called from another thread while request
• cancel called from any thread after request is complete

The whole change looks ok but this is an open door to concurrency issues because we share queryID between thread and cancel can be called at any time.

[sonarqubecloud]

Quality Gate failed

Failed conditions
37.8% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud