Added info to 0.9.1 about Rank Ordering being deferred to the next release

[mwysokin]

What type of PR is this?

/kind documentation

What this PR does / why we need it:

We previously suggested during KubeCon and on other occasions that Rank Ordering in TAS would be part of Kueue release 0.9.1. Since the users are highly anticipating this feature and release 0.9.1 was released without it we want to make sure that we didn't mislead anyone and so that people don't waste their time testing feature which was not part of the release. That's why I'd like to request adding this note section to the 0.9.1 release notes to make things very clear.

Does this PR introduce a user-facing change?

NONE

[k8s-ci-robot]

Hi @mwysokin. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[mimowo]

/lgtm Leaving final (approve) tagging to @tenzen-y . IIUC we then cherry-pick it to 0.9 and update the release notes on the page.

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 96da99eb4452fc563edba4f4652193da71f4d5d6

[tenzen-y]

/ok-to-test

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mwysokin, tenzen-y

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kubernetes-sigs/kueue/blob/main/OWNERS)~~ [tenzen-y] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[tenzen-y]

/cherry-pick release-0.9

[k8s-infra-cherrypick-robot]

@tenzen-y: new pull request created: #3597

In response to [this](https://github.com/kubernetes-sigs/kueue/pull/3586#issuecomment-2487550543): >/cherry-pick release-0.9 > 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.

[tenzen-y]

/cherry-pick website

[k8s-infra-cherrypick-robot]

@tenzen-y: new pull request created: #3598

In response to [this](https://github.com/kubernetes-sigs/kueue/pull/3586#issuecomment-2487582975): >/cherry-pick website > 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.

[tenzen-y]

In any case, the notification would be helpful. Thanks!

I will update the release page changelog, later.

/lgtm /approve

I updated the release page.