Automatic merge from submit-queue (batch tested with PRs 51113, 46597, 50397, 51052, 51166)

Add statefulset upgrade tests to cluster_upgrade

**What this PR does / why we need it**:
Adds already created statefulset upgrade tests to cluster_upgrade.go. With further test infra changes, this will allow them to be continuously run, giving better signals.

Detect and prevent issues like https://github.com/kubernetes/kubernetes/issues/48327

**Release note**:

```release-note
NONE
```