[Open Data Hub] Open Data Hub v1.8.0 is now available

Open Data Hub 1.8.0 is now available to be installed through OperatorHub in OpenShift Changes included in the v1.8.0 release: - *ODH Operator* - rolling channel (default)*:* v1.8.0 <https://github.com/opendatahub-io/opendatahub-operator/releases/tag/v1.8.... - fast channel(incubation): v2.0.0 <https://github.com/opendatahub-io/opendatahub-operator/releases/tag/v2.0.... - *ODH Dashboard *v2.12 <https://github.com/opendatahub-io/odh-dashboard/releases/tag/v2.12.0> - *Data Science Pipelines Operator* v1.1.0 <https://github.com/opendatahub-io/data-science-pipelines-operator/release... - *ODH Notebook Controller* v1.7.0-1 <https://github.com/opendatahub-io/kubeflow/releases/tag/v1.7.0-1> - *Kserve Manifests(incubation)* in new operator v0.10.2 <https://github.com/opendatahub-io/odh-manifests/tree/master/kserve> - *Distributed Workloads(incubation)* v0.0.4 <https://github.com/opendatahub-io/distributed-workloads/releases/tag/v0.0...