Mimir 67/add dynamic netpols

General MR

Summary

Adds support for package network policies to work with Istio Operatorless deployments. MR changes do not impact current Big Bang deployments with Istio Operator:

• Modifies default ingress/egress network policies for mimir to allow for dynamic namespaceSelector.matchlabel values in place of hardcoded istio-controlplane values.
• If values is not set or found the label will default to istio-controlplane

Relevant logs/screenshots

• Big Bang Pipeline Test

Relevant logs/screenshots

Linked Issue

issue

Upgrade Notices

N/A