Feature request: Batch LMI support

[hjgraca]

Use case

With the new release of Lambda Managed Instances we need to add support for thread safe operations

Solution/User Experience

Add tests for concurrency and Thread-safe flag for capturing annotations. Uses int for Interlocked operations.

Alternative solutions

Acknowledgment

• This feature request meets Powertools for AWS Lambda (.NET) Tenets
• Should this be considered in other Powertools for AWS Lambda languages? i.e. Python, Java, and TypeScript