Updated metrics-server git tag

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/apps/sandbox/metrics-server/-/blob/3.8.3-bb.1/CHANGELOG.md

Package MR

https://repo1.dso.mil/big-bang/apps/sandbox/metrics-server/-/merge_requests/15

For Issue

Closes https://repo1.dso.mil/big-bang/apps/sandbox/metrics-server/-/issues/12