Added PSS to contrib/baseline and contrib/restricted as kustomize components

[biswajit-9776]

Pull Request Template for Kubeflow manifests Issues

• Please include a summary of changes and the related issue.
• List any dependencies that are required for this change.
• Please delete the options that are not relevant.
• The following checklist will help you to satisfy the requirements.

✏️ A brief description of the changes

I enabled pod security standards to namespaces.

📦 List any dependencies that are required for this change

My PR depends on #

🐛 If this PR is related to an issue, please put the link of the issue here.

The following issues are related, because ...

✅ Unit Test Checklist

• [ ] 🛠️ Make sure you have installed kustomize == 5.2.1+
• [ ] ✍️ Have you written new tests for your core changes, as applicable?
• [ ] 🔄 Have you successfully run existing tests with your changes ?
• [ ] 🚀 Have you successfully run existing and new tests with your changes ?

✅ Contributor checklist

• [ ] All the commits have been signed-off (To pass the DCO check)
• [ ] Submit the Contributor License Agreements (To pass the cla/google check)

---

You can join the CNCF Slack and access our meetings at the Kubeflow Community website. Our channel on the CNCF Slack is here #kubeflow-platform.

[biswajit-9776]

I would be pushing more commits and still open to suggestions mid-way.

[biswajit-9776]

Should be have PSS for other namespaces like auth, cert-manager, etc?

[juliusvonkohout]

/lgtm /approve

[google-oss-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: juliusvonkohout

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kubeflow/manifests/blob/master/OWNERS)~~ [juliusvonkohout] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment