Maintenance: Add the aws-encryption-sdk dependency in the Lambda layer

[leandrodamascena]

Why is this needed?

Add the aws-encryption-sdk dependency in the Powertools for AWS Lambda (Python) Lambda layer.

This must be done after completing this task #3859

Which area does this relate to?

Automation

Solution

No response

Acknowledgment

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