Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Update dashboard version to v1.8.3

**What this PR does / why we need it:** Updates dashboard addon to the latest version. Changelog can be found [here](https://github.com/kubernetes/dashboard/releases/tag/v1.8.3).

**Release note**:

```release-note
Update dashboard version to v1.8.3
```