metricsServer update to 3.12.2-bb.4

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/metrics-server/-/blob/3.12.2-bb.4/CHANGELOG.md

Package MR

big-bang/product/packages/metrics-server!136 (merged)

For Issue

Closes big-bang/product/packages/metrics-server#115 (closed)

Upgrade Notices

All package specific values will now need to be shifted under the upstream key.

Example:

Previous Values

image:
 repository: registry1.dso.mil/ironbank/opensource/kubernetessigs/metricsserver
 # Overrides the image tag whose default is v{{ .Chart.AppVersion }}
 tag: "v0.7.2"
 pullPolicy: IfNotPresent

imagePullSecrets:
 name: privateregistry

Updated Values

upstream:
 image:
   repository: registry1.dso.mil/ironbank/opensource/kubernetessigs/metricsserver
 # Overrides the image tag whose default is v{{ .Chart.AppVersion }}
   tag: "v0.7.2"
   pullPolicy: IfNotPresent

 imagePullSecrets:
   name: privateregistry

Please note this does not apply to Big Bang specific top level keys including domain, sso, istio, networkPolicies, bbtests, and waitJob.