Bump debian image for 1.2 release.

[mattcary]

/kind cleanup

And update changelog for 1.2.5 release.

None

[mattcary]

/assign @saikat-royc

[k8s-ci-robot]

@mattcary: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-gcp-compute-persistent-disk-csi-driver-kubernetes-integration	2a99399	link	true	/test pull-gcp-compute-persistent-disk-csi-driver-kubernetes-integration

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

[mattcary]

Integration tests fail due to CSIDriver v1beta1 vs v1 problem. We'll have to force-merge and test in the internal repo.

[saikat-royc]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mattcary, saikat-royc

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:

• OWNERS [mattcary,saikat-royc]

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