Updated metrics-server git tag

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/metrics-server/-/blob/3.8.3-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/metrics-server!16 (merged)

For Issue

Closes big-bang/product/packages/metrics-server#13 (closed)