Automatic merge from submit-queue

Use default GKE cluster version

**What this PR does / why we need it**:

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
none
```

Dynamically update cluster version we use by using GKE default value.

Former-commit-id: f6b0deb0a27af92dd67e415ddd377cb1ce71d18a