🐛Fixes an incorrect IAM role in the Quick Start for AWS

[aaroniscode]

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 #1640

[k8s-ci-robot]

Hi @aaroniscode. Thanks for your PR.

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[detiber]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aaroniscode, detiber

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[detiber]

/ok-to-test