Add sig-autoscaling slack config, WAS channel

[jackfrancis]

Which issue(s) this PR fixes:

This PR adds a dedicated sig-autoscaling config file for slack, and adds a new "scheduler-driven-autoscaling" channel to coordinate Workload Aware Scheduling-downstream efforts.

[jackfrancis]

/assign @towca @palnabarun

[mrbobbytables]

/lgtm

[ameukam]

cc @jberkus @Priyankasaggu11929

For approval. 🙏🏾

[jberkus]

Why is this channel not going under sig-autoscaling?

[jackfrancis]

Thanks for catching this.

I actually think we should retire this channel. I wasn't aware of it and reviewing it there is no activity in almost 2 years, and very little since 2023. It looks like it was active prior to 2022, but I'm no aware there is any need or a distinct channel going forward.

[jackfrancis]

Will deleting this line have an "infrastructure as code" equivalent outcome of deleting the channel from k8s slack?

[jberkus]

No, you need to mark it as archived. See other examples in the main file of archived channels.

[jackfrancis]

Thank you, I did that in the newly created communication/slack-config/sig-autoscaling/config.yaml, I assume that the same structure works there.

[jackfrancis]

Perhaps I need to add a regex for the sig-autoscaling-api string to the restrictions file, I was hoping to minimize cruft, lemme know if we need that as well, thank you!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: jackfrancis
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[k8s-ci-robot]

New changes are detected. LGTM label has been removed.