Only run Serving encryption tests for kourier

[ReToCode]

Proposed Changes

• Only run Serving encryption tests for Kourier.
• As we run istio tests with mesh enabled and encryption is not supported/needed in that mode.
• And as, encryption for istio downstream is currently not supported in general.
• More context here

[ReToCode]

/assign @skonto /assign @mgencur

[ReToCode]

system-internal-tls definitely makes no sense with istio. I'm currently testing if cluster-local-domain-tls would work (just to know), even though we do not plan on supporting that with istio either.

[ReToCode]

Lint is unrelated, separate PR so

/override "validate/lint"

[ReToCode]

/override "Lint"

[openshift-ci[bot]]

@ReToCode: Overrode contexts on behalf of ReToCode: Lint

In response to [this](https://github.com/openshift-knative/serverless-operator/pull/2680#issuecomment-2141359394): >/override "Lint" Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.

[skonto]

@ReToCode

I'm currently testing if cluster-local-domain-tls would work (just to know), even though we do not plan on supporting that with istio either.

Is this tested by creating a separate gateway and a workload accessing with https the ingress gaetway, with Istio in mesh mode? Is not this a feature RHOAI wanted to solve the tls issue (option 1)?

[ReToCode]

/test 415-test-upgrade-aws-415

[ReToCode]

@skonto @mgencur PTAL

[mgencur]

LGTM

[skonto]

Maybe get the lint one in first? Then stamp this one?

[ReToCode]

Should not matter, but we can 👍

[skonto]

/lgtm

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ReToCode, skonto

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/openshift-knative/serverless-operator/blob/main/OWNERS)~~ [ReToCode,skonto] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD cf1d68977c39ad3aa98cb58f48031f540e9f3538 and 2 for PR HEAD 342a41c98d05900d0adee57d86f4d1857602f262 in total