cluster_autoscaler_failed_scale_ups_total metric is missing from metrics until an event is registered

[elmiko]

Which component are you using?:

cluster-autoscaler

What version of the component are you using?:

Component version: 1.29

What k8s version are you using (kubectl version)?:

1.29

What environment is this in?:

n/a

What did you expect to happen?:

metric should be initialized so that the zero value can be seen in prometheus data.

What happened instead?:

metric does not appear until it has been updated.

How to reproduce it (as minimally and precisely as possible):

1. start the CA
2. curl the metrics endpoint and grep for cluster_autoscaler_failed_scale_ups_total

Anything else we need to know?:

this should be fairly straightforward to fix.

[elmiko]

/area cluster-autoscaler

[elmiko]

/help-wanted /good-first-issue

[k8s-ci-robot]

@elmiko: This request has been marked as suitable for new contributors.

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If this request no longer meets these requirements, the label can be removed by commenting with the /remove-good-first-issue command.

In response to [this](https://github.com/kubernetes/autoscaler/issues/7448): >/help-wanted >/good-first-issue 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.

[thiha-min-thant]

Hi @elmiko , could you please assign to me? Thanks!

[JoelSpeed]

/assign @thiha-min-thant