fix redirectURIs for in dex config since kubeflow uses oauth2 (fixes #2812)

[tzabbi]

Signed-off-by: tzabbi tom@zaspel.it

Pull Request Template for Kubeflow manifests Issues

✏️ A brief description of the changes

I changed redirectURIs for dex config map

📦 List any dependencies that are required for this change

My PR depends on nothing

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

The following issues are related, because is fixes this issue #2812

✅ Contributor checklist

• Make sure you have tested with kustomize. See Installation Prerequisites ✅
• 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.

[google-oss-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:

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

Needs approval from an approver in each of these files:

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment