Serverless accounts - Lease Container creation not supported

[aayush3011]

## Problem Statement

• Currently, we do not support Lease container creation on serverless CosmosDB accounts.
• Java SDK supports that, we need to add that functionality to the Kafka connector as well.

## Proposed Solution A clear and concise description of what you want to happen.

## Alternative Solutions A clear and concise description of any alternative solutions or features you've considered.

## Additional context Add any other context or screenshots about the feature request here.

Next Steps

• [ ] Team consensus to proceed
• [ ] Schedule Design Session
• [ ] Complete Design Review