[Open Data Hub] Open Data Hub v1.2.0 is now available

Open Data Hub v1.2.0 is now available. This release includes: - Updates to Elyra and Superset - Adds new component deployments for Pachyderm and Model Mesh Serving - Provides a kfdef <https://raw.githubusercontent.com/opendatahub-io/manifests/v1.4.0-rc.2-op... for deploying ServiceMesh integration with Kubeflow 1.4 For detailed information, please visit the ODH v1.2.0 release notes <http://opendatahub.io/news/2022-04-29/odh-release-1.2.0-blog.html>;. Feel free to join our Open Data Hub slack channel (invite <https://join.slack.com/t/odh-io/shared_invite/zt-13hp18gxj-Yb34PfQyP9GDmK...>) discuss anything related to the ODH community. In the next monthly community meeting <https://github.com/opendatahub-io/opendatahub-community>;, we will be discussing plans for the new community governance model, the updates for the ODH v1.3.0 release and the updated ODH roadmap. Thanks, Landon