Starting from Kubernetes v1.22+, networking.k8s.io/v1beta1 and
extensions/v1beta1 are no more supported and indexers must not be
started, otherwise the manager would panic.
Disabled by default to avoid breaking changes for upcoming release,
although minor will be enabled by default.
Using the new `--allow-ingress-hostname-collision` flag Capsule can
ignore the Ingress hostnames collision allowing the Cluster
Administrator to put in place a non-opinionated hostnames allocation.
Modified CRD to support Owner struct.
Added Tenant name validation webhook.
Rewrote owner_reference hook logic.
Updated and added new e2e tests.
Co-authored-by: Maksim Fedotov <m_fedotov@wargaming.net>