Automatic merge from submit-queue (batch tested with PRs 66122, 66007). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Update Cluster Autoscaler version to 1.3.1

This updates Cluster Autoscaler version to 1.3.1.

```release-note
Cluster Autoscaler version updated to 1.3.1. Release notes: https://github.com/kubernetes/autoscaler/releases/tag/cluster-autoscaler-1.3.1
```