Update go used to build VPA to 1.19.5

[jbartosik]

/kind cleanup

For #5455

[voelzmo]

If we're going to specify the builder images like this, should we include a step to ensure we're using the latest go image version in https://github.com/kubernetes/autoscaler/blob/master/vertical-pod-autoscaler/RELEASE.md, regardless of why we're creating a new release?

[jbartosik]

If we're going to specify the builder images like this, should we include a step to ensure we're using the latest go image version in https://github.com/kubernetes/autoscaler/blob/master/vertical-pod-autoscaler/RELEASE.md, regardless of why we're creating a new release?

Yes, this sounds like a good idea.

[jbartosik]

/retest

[mwielgus]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jbartosik, mwielgus

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:

• vertical-pod-autoscaler/OWNERS [jbartosik,mwielgus]

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