[release-v1.14] fix: correct clusterrole permissions (#4016)

[Cali0707]

This is a backport of knative-extensions#4016 to make sure that the post install job has the correct permissions

[Cali0707]

/cc @pierDipi @Leo6Leo @aliok

[pierDipi]

/test 415-test-reconciler-keda-aws-415

[pierDipi]

/lgtm
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Cali0707, pierDipi

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[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD 3831bf8 and 2 for PR HEAD 80643cd in total

[pierDipi]

/test 415-test-reconciler-keda-aws-415

[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD 9d59e48 and 1 for PR HEAD 80643cd in total

[maschmid]

/test 415-test-conformance-aws-415

[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD b6c5964 and 0 for PR HEAD 80643cd in total

[openshift-ci-robot]

/hold

Revision 80643cd was retested 3 times: holding

[pierDipi]

        Message:cannot obtain Kafka cluster admin, kafka: client has run out of available brokers to talk to: dial tcp: lookup my-cluster-kafka-bootstrap.kafka on 172.30.0.10:53: no such host

/retest

[openshift-ci]

@Cali0707: 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
ci/prow/415-test-reconciler-encryption-auth-aws-415	80643cd	link	true	/test 415-test-reconciler-encryption-auth-aws-415
ci/prow/415-test-e2e-aws-415	80643cd	link	true	/test 415-test-e2e-aws-415

Full PR test history. Your PR dashboard.

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[pierDipi]

Duplicate of #1157