Update GROUPS.md (#1210)
Update GROUPS.md (#1210)

Automatic merge from submit-queue.

Update GROUPS.md

**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
```
sebrandon1/istio,sebrandon1/istio,sebrandon1/istio,sebrandon1/istio