Resolve "Refactor Neuvector with pass-through pattern"

General MR

Summary

Refactoring to pass-through pattern:

https://repo1.dso.mil/big-bang/bigbang/-/blob/master/docs/adrs/0005-passthrough-chart.md?ref_type=heads

Relevant logs/screenshots

Link to BB MR: big-bang/bigbang!6557 (closed)

Screenshot from local deployment:

Checked Prometheus connection:

Linked Issue

issue

Upgrade Notices

With the change to pass-through pattern there is an additional layer required to pass values to the child package, pass values with the following pattern:

neuvector:
  values:
     upstream:
       key: value

The keys that won't need to move are those under domain, global, networkPolicies, istio, and bbtests.

Closes #187 (closed)