Maintenance: Update AWS SDK versions

[keiranFTW]

Summary

Update AWS SDK versions to 4.x.x

Why is this needed?

Consuming applications cannot upgrade to the latest AWS SDK if they are dependent on this library.

Which area does this relate to?

No response

Solution

No response

Acknowledgment

• This request meets Powertools for AWS Lambda (.NET) Tenets

[boring-cyborg]

Thanks for opening your first issue here! We'll come back to you as soon as we can.
In the meantime, check out the #dotnet channel on our Powertools for AWS Lambda Discord: Invite link

[hjgraca]

Hi @keiranFTW thanks for opening the issue. Can you share the.csproj packages and versions you are using where this issue is happening?
thanks