OpenShift External OIDC identity provider OAuth LookUp Error

[ArthurVardevanyan]

When using the new OpenShift External OIDC identity provider, the oauth endpoints are removed, see below error

level=error name=lokistack-gateway ts=2025-11-08T00:42:05.931886411Z caller=openshift.go:149 tenant=network msg="unable to auto discover OpenShift OAuth endpoints: got 404 404 page not found\n"

Appears to be related to this code:
https://github.com/observatorium/api/blob/main/authentication/openshift.go#L83-L247

REF: https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html/authentication_and_authorization/external-auth