ARO-14442: add DisabledCapabilities to HostedClusterSpec

[tjungblu]

related enhancement: openshift/enhancements#1729

[openshift-ci-robot]

@tjungblu: This pull request references ARO-14442 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.19.0" version, but no target version was set.

In response to this:

related enhancement: openshift/enhancements#1729

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: tjungblu
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[tjungblu]

/hold

until we agree on the enhancement

[openshift-ci]

@tjungblu: 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/e2e-aws-upgrade-hypershift-operator	a6e5f86	link	true	/test e2e-aws-upgrade-hypershift-operator
ci/prow/okd-scos-e2e-aws-ovn	a6e5f86	link	false	/test okd-scos-e2e-aws-ovn
ci/prow/e2e-aws	a6e5f86	link	true	/test e2e-aws
ci/prow/images	a6e5f86	link	true	/test images
ci/prow/e2e-aks	a6e5f86	link	true	/test e2e-aks
ci/prow/verify	a6e5f86	link	true	/test verify
ci/prow/e2e-kubevirt-aws-ovn-reduced	a6e5f86	link	true	/test e2e-kubevirt-aws-ovn-reduced

Full PR test history. Your PR dashboard.

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