fix: Add AWS ISO partitions to LB CRD

[gcampbell12]

ISO partitions are missing from stsIAMRoleARN meaning that the operator cannot be used in these partitions in Manual credentials mode without manually modifying the CRD.

Partitions taken from https://github.com/aws/aws-sdk-go-v2/blob/main/internal/endpoints/awsrulesfn/partitions.json

[openshift-ci]

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[openshift-ci]

Hi @gcampbell12. Thanks for your PR.

I'm waiting for a openshift 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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[alebedev87]

Similar PR about the support of different partitions: #130.

[alebedev87]

So far, we didn't have a request to support ISO partitions. The full support would require different IAM policies (iso, isob) from the upstream for non-STS clusters.

Upd: actually there is an RFE for the support of ISO partition.

[candita]

/assign @alebedev87