OpenShift 4 AWS Disconnected cluster fails to connect to "https://iam.amazonaws.com"

Issue

• The cloud-credential operator fails to connect to https://iam.amazonaws.com URL in a disconnected OpenShift 4 AWS cluster.

$ oc logs cloud-credential-operator-6c9cf4b75f-bbgxr -c cloud-credential-operator
time="2022-09-05T09:58:40Z" level=info msg="reconcile complete" controller=metrics elapsed=4.469446ms
time="2022-09-05T09:58:42Z" level=error msg="RequestError: send request failed\ncaused by: Post \"https://iam.amazonaws.com/\": dial tcp 52.94.225.3:443: i/o timeout"
time="2022-09-05T09:58:42Z" level=error msg="error syncing creds in mint-mode" actuator=aws cr=openshift-cloud-credential-operator/openshift-machine-api-aws error="AWS Error: RequestError: send request failed\ncaused by: Post \"https://iam.amazonaws.com/\": dial tcp 52.94.225.3:443: i/o timeout"
time="2022-09-05T09:58:42Z" level=error msg="error syncing credentials: error syncing creds in mint-mode: AWS Error: RequestError: send request failed\ncaused by: Post \"https://iam.amazonaws.com/\": dial tcp 52.94.225.3:443: i/o timeout" controller=credreq cr=openshift-cloud-credential-operator/openshift-machine-api-aws secret=openshift-machine-api/aws-cloud-credentials
time="2022-09-05T09:58:42Z" level=error msg="errored with condition: CredentialsProvisionFailure" controller=credreq cr=openshift-cloud-credential-operator/openshift-machine-api-aws secret=openshift-machine-api/aws-cloud-credentials

• Is it possible to deploy an OpenShift 4 disconnected cluster over AWS?