aws: Experiment with Adaptive retry mode

[hakman]

aws/aws-sdk-go-v2#1576 introduced support for the experimental Adaptive retry mode to the SDK.

The adaptive retryer expands on the exponential backoff retry strategies of the Standard mode, adding client attempt rate limiting based on throttle responses received from an API.

This may help fix the Scalability tests that are now failing:
https://testgrid.k8s.io/sig-scalability-aws#ec2-master-scale-performance

instance:i-06b9c1de0b89a3499 error deleting resources, will retry: error terminating instances: operation error EC2: TerminateInstances, failed to get rate limit token, retry quota exceeded, 0 available, 5 requested

/cc @dims @hakuna-matatah @rifelpet @zetaab

[dims]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, rifelpet

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[hakman]

/retest

[dims]

xref: kubernetes/kubernetes#124951

[hakuna-matatah]

Thanks for linking this issue for tracking @dims, I was following up on scale test failures last week with @hakman on the same on k8s slack :D