release new version v1.3.0-alpha.0 of ray

[krew-release-bot]

hey krew-index team,

I am krew-release-bot, and I would like to open this PR to publish version v1.3.0-alpha.0 of ray on behalf of @kevin85421.

Thanks,
@krew-release-bot

[ahmetb]

🤖 Beep beep! I’m a robot speaking on behalf of @ahmetb. 🤖

---

This pull request does not seem to be a straightforward version bump. I'll have a human review this. If we don't respond within a day, feel free to ping us.

Why wasn't this detected as a plugin version bump:

file plugins/ray.yaml is not a straightforward version bump: version should have metadata ("alpha.0"), only no pre-release versions are auto-approved
/kind plugin-update

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: krew-release-bot
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[MortalHappiness]

Need to discuss with @kevin85421, the maintainer of the KubeRay project, about whether release candidates should be included in the krew-index repository. Please DO NOT MERGE this PR for now. Thank you very much!

[kevin85421]

@ahmetb would you mind closing this PR? We plan not to release kubectl plugin for the alpha relase. Thanks!

[ahmetb]

@kevin85421 consider updating your GitHub action to exclude the unwanted tags.

[MortalHappiness]

@ahmetb We are working on it in ray-project/kuberay#2798. Sorry for the inconvenience.

[ahmetb]

Manual approach may be a worse idea than just fixing to a better regexp. :)

[kevin85421]

@ahmetb thanks. We will revisit this when we have a more concrete release process.