Add servicegraph to list of published and tagged images (#1351)
Add servicegraph to list of published and tagged images (#1351)

Automatic merge from submit-queue

Add servicegraph to list of published and tagged images

This PR ensures that we generate servicegraph images that are tagged appropriately.

**Release note**:

```release-note-none
NONE
```

Former-commit-id: de6e9312fb3dbe696ab353e54688b8fc71419afd
sebastienvas/istio,mandarjog/istio,frankbu/istio,sebastienvas/istio,geeknoid/istio,mandarjog/istio,istio/istio,frankbu/istio,smawson/istio,istio/istio,istio/istio,mandarjog/istio,smawson/istio,geeknoid/istio,frankbu/istio,frankbu/istio,istio/istio,istio/istio,frankbu/istio,geeknoid/istio,sebastienvas/istio,smawson/istio,frankbu/istio,smawson/istio,mandarjog/istio,mandarjog/istio,smawson/istio,sebastienvas/istio,geeknoid/istio,sebastienvas/istio,smawson/istio,geeknoid/istio,geeknoid/istio