tanzu packages available get output in json does not show package versions

[dekimpew]

Bug description
When running a tanzu package available get cert-manager.tanzu.vmware.com -o json the output omits the versions. When running the same command but with yaml output, it does show the versions:

tanzu package available get cert-manager.tanzu.vmware.com -o json

[
  {
    "categories": "- certificate management",
    "display-name": "cert-manager",
    "long-description": "Provides certificate management provisioning within the cluster",
    "maintainers": "- name: Nicholas Seemiller",
    "name": "cert-manager.tanzu.vmware.com",
    "provider": "VMware",
    "short-description": "Certificate management",
    "support-description": "Support provided by VMware for deployment on Tanzu clusters. Best-effort support\nfor deployment on any conformant Kubernetes cluster. Contact support by opening\na support request via VMware Cloud Services or my.vmware.com."
  }
]

tanzu package available get cert-manager.tanzu.vmware.com -o yaml

- categories: '- certificate management'
  display-name: cert-manager
  long-description: Provides certificate management provisioning within the cluster
  maintainers: '- name: Nicholas Seemiller'
  name: cert-manager.tanzu.vmware.com
  provider: VMware
  short-description: Certificate management
  support-description: |-
    Support provided by VMware for deployment on Tanzu clusters. Best-effort support
    for deployment on any conformant Kubernetes cluster. Contact support by opening
    a support request via VMware Cloud Services or my.vmware.com.

- released-at: 2020-11-24 19:00:00 +0100 CET
  version: 1.1.0+vmware.1-tkg.2
- released-at: 2020-11-24 19:00:00 +0100 CET
  version: 1.1.0+vmware.2-tkg.1
- released-at: 2023-01-11 13:00:00 +0100 CET
  version: 1.11.1+vmware.1-tkg.1
- released-at: 2023-06-15 14:00:00 +0200 CEST
  version: 1.12.2+vmware.2-tkg.2
- released-at: 2021-08-23 19:22:51 +0200 CEST
  version: 1.5.3+vmware.2-tkg.1
- released-at: 2021-08-23 19:22:51 +0200 CEST
  version: 1.5.3+vmware.4-tkg.1
- released-at: 2021-08-23 19:22:51 +0200 CEST
  version: 1.5.3+vmware.7-tkg.1
- released-at: 2021-08-23 19:22:51 +0200 CEST
  version: 1.5.3+vmware.7-tkg.3
- released-at: 2021-10-29 14:00:00 +0200 CEST
  version: 1.7.2+vmware.1-tkg.1
- released-at: 2021-10-29 14:00:00 +0200 CEST
  version: 1.7.2+vmware.3-tkg.1
- released-at: 2021-10-29 14:00:00 +0200 CEST
  version: 1.7.2+vmware.3-tkg.3

Expected behavior
the JSON output should show the available versions of the package.

Steps to reproduce the bug / Relevant debug output
Run tanzu package available get PKG_NAME -o json

Output of tanzu version

version: v1.1.0
buildDate: 2023-11-01
sha: d0679f5a
arch: amd64

Environment where the bug was observed (cloud, OS, etc)
Fedora 39 6.7.6-200.fc39.x86_64