Automatic merge from submit-queue
Bump up gce minNodesHealthCheckVersion due to known issues
**What this PR does / why we need it**: There are some known issues in previous 1.7 versions causing kube-proxy not correctly responding healthz traffic.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: From #49263.
**Special notes for your reviewer**:
/assign @nicksardo @freehan
cc @bowei @thockin
**Release note**:
```release-note
GCE Cloud Provider: New created LoadBalancer type Service will have health checks for nodes by default if all nodes have version >= v1.7.2.
```