monitoring update to 75.6.1-bb.8

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/monitoring/-/blob/75.6.1-bb.8/CHANGELOG.md

https://repo1.dso.mil/big-bang/product/packages/monitoring/-/blob/75.6.1-bb.7/CHANGELOG.md

https://repo1.dso.mil/big-bang/product/packages/monitoring/-/blob/75.6.1-bb.6/CHANGELOG.md

Package MR

big-bang/product/packages/monitoring!455 (merged)

big-bang/product/packages/monitoring!453 (merged)

big-bang/product/packages/monitoring!441 (merged)

For Issue

Closes issue

Upgrade Notices

All upstream chart value overrides in ./chart/values.yaml will need to be shifted under the upstream key.

For example:

Previous Values:

prometheus:
  image:
    repository: ironbank/opensource/prometheus/prometheus
    pullPolicy: Always
    tag: v3.0.0

Current Values:

upstream:
  prometheus:
    image:
      repository: ironbank/opensource/prometheus/prometheus
      pullPolicy: Always
      tag: v3.0.0

Please note, this change does not apply to Big Bang-added top-level keys, including: istio, networkPolicies, openshift, upgradeCrds.