Cloud-pak-operations-cli

Fix Node Feature Discovery Operator installation

- OpenShiftPlaybookRunner: Support additional Ansible Runner error message

- Added command `cpo cluster pull-secret print` for encoding container registry credentials as required by a `kubernetes.io/dockerconfigjson` type secret for the value of the `.dockerconfigjson` key of the `data` field
- Added command group `cpo adm config` for managing configuration options stored in `~/.cpo/settings.json`
- Added command group `cpo adm credentials` for managing credentials stored in `~/.cpo/credentials.json`
- Added installation support for Red Hat OpenShift AI Operator
- Updated repository URL for IBM-internal plug-ins
- Updated required Python version to 3.11

- Add commands to install the [Node Feature Discovery Operator](https://docs.openshift.com/container-platform/latest/hardware_enablement/psap-node-feature-discovery-operator.html) and the [NVIDIA GPU Operator](https://docs.nvidia.com/datacenter/cloud-native/openshift/latest/index.html)
- Support dependencies that require a subdirectory