[receiver/awscontainerinsightreceiver] migrate to AWS v2 SDK

[crobert-1]

Component(s)

receiver/awscontainerinsight

Describe the issue you're reporting

AWS has annouced that it will be discontinuing support for go AWS SDK v1 and we should be updating the collector to migrate away from it to ensure any issues with the package are dealt with.

https://aws.amazon.com/blogs/developer/announcing-end-of-support-for-aws-sdk-for-go-v1-on-july-31-2025/

[github-actions]

Pinging code owners:

• receiver/awscontainerinsight: @Aneurysm9 @pxaws

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[mjlshen]

I've started working on this one