Update Cluster Autoscaler to v1.3.0-beta.2

[aleksandra-malinowska]

Update Cluster Autoscaler to v1.3.0-beta.2

Update Cluster Autoscaler to v1.3.0-beta.2. Release notes for this version: https://github.com/kubernetes/autoscaler/releases/tag/cluster-autoscaler-1.3.0-beta.2

[MaciekPytel]

/lgtm
/approve

@mwielgus Can you approve for milestone as sig-lead?

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aleksandra-malinowska, MaciekPytel

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• cluster/gce/OWNERS [MaciekPytel]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[MaciekPytel]

/priority critical-urgent

[MaciekPytel]

/sig autoscaling

[jberkus]

adding missing label

/kind bug

[k8s-github-robot]

[MILESTONENOTIFIER] Milestone Pull Request: Up-to-date for process

@MaciekPytel @aleksandra-malinowska

Pull Request Labels

• sig/autoscaling: Pull Request will be escalated to these SIGs if needed.
• priority/critical-urgent: Never automatically move pull request out of a release milestone; continually escalate to contributor and SIG through all available channels.
• kind/bug: Fixes a bug discovered during the current release.

Help

• Additional instructions
• Commands for setting labels

[k8s-github-robot]

/test all [submit-queue is verifying that this PR is safe to merge]

[k8s-github-robot]

Automatic merge from submit-queue (batch tested with PRs 65092, 65148). If you want to cherry-pick this change to another branch, please follow the instructions here.