fix: Wrong ClusterRole name in caches ClusterRoleBinding

[vladmalynych]

Issue:

Failed to watch *v1.Namespace: failed to list *v1.Namespace: namespaces is forbidden: User \"system:serviceaccount:ack:ack-iam\" cannot list resource \"namespaces\" in API group \"\" at the cluster scope: RBAC: clusterrole.rbac.authorization.k8s.io \"ack-iam-iam-chart-namespace-caches\" not found"

ClusterRoleBinding can not mount ClusterRole ack-iam-iam-chart-namespace-caches because it doesnt exist.

Description of changes:

Fix the naming of ClusterRoleBinding and ClusterRole attached to it.

Fixes issue from PR:
#593

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[ack-prow]

Hi @vladmalynych. Thanks for your PR.

I'm waiting for a aws-controllers-k8s 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[michaelhtm]

Great catch @vladmalynych
/ok-to-test

[knottnt]

/retest

[vladmalynych]

@knottnt Hi, can you please merge it, this blocks upgrade of ACKs deployed by helm.

[janjaros]

/retest

[ack-prow]

@vladmalynych: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
verify-attribution	dbbc0f0	link	false	/test verify-attribution
s3-olm-test	dbbc0f0	link	false	/test s3-olm-test

Full PR test history. Your PR dashboard.

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[knottnt]

/lgtm

[ack-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: knottnt, vladmalynych

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