kubectl always lists an empty cohort for `v1beta2.ClusterQueue`

[kshalot]

What happened:
When you create a ClusterQueue belonging to a Cohort, the cohort's name is not displayed when running kubectl get cq.

What you expected to happen:
I'd expect the cohort's name to be displayed.

How to reproduce it (as minimally and precisely as possible):

1. Create a ClusterQueue with .spec.cohortName.
2. Run kubectl get cq.

Anything else we need to know?:
The name of .spec.cohort was changed to .spec.cohortName in v1beta2, but .spec.cohort is still referenced in genclient:

kueue/apis/kueue/v1beta2/clusterqueue_types.go

Line 540 in a4692d9

// +kubebuilder:printcolumn:name="Cohort",JSONPath=".spec.cohort",type=string,description="Cohort that this ClusterQueue belongs to"

Since v1beta2 started being used for storage in v0.16.0, it's likely not an issue in versions <0.16.0.

Environment:

• Kubernetes version (use kubectl version):
• Kueue version (use git describe --tags --dirty --always): v0.16.0
• Cloud provider or hardware configuration:
• OS (e.g: cat /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

[kshalot]

/assign

^ I'll assign to myself so nobody picks it up, but this is being worked on by Polina, the new member of the MultiKueue team.

[polinasand]

/assign