update aws go sdk to v1.54.6

[tingrui-AWS-EKS-auth]

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

[k8s-ci-robot]

Hi @tingrui-AWS-EKS-auth. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[nnmin-aws]

/ok-to-test

[nnmin-aws]

/retest

[nnmin-aws]

/lgtm

[kmala]

/lgtm

[k8s-ci-robot]

@kmala: changing LGTM is restricted to collaborators

In response to this:

/lgtm

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nnmin-aws, tingrui-AWS-EKS-auth

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