Release 2.4.0 — Minor: feat(lambda): Add SimpleLambda class

[Vortex1806]

🧩 Summary

• feat(lambda): Adds a new SimpleLambda class to deploy, update, invoke, list, and delete AWS Lambda functions.
• Automatically handles IAM role creation (_getOrCreateRole).
• In-memory code zipping for easy deployment from a string.
• Uses AWS SDK v3 waiters (waitUntilFunctionActive, waitUntilFunctionUpdated) to prevent race conditions on deploy and update.
• This is a non-breaking minor release that adds new functionality.

✅ Type

• Minor release