Mtls fix

General MR

Summary

• Added missing meshConfig section to ensure logs are output to console
• Added missing peerAuthentication and associated section in values.yaml so mutual TLS will work

Relevant logs/screenshots

Logs now show up making it easier to diagnose issues:

kubectl get peerauthentications -n istio-system

NAME                   MODE     AGE
default-istio-system   STRICT   18m

Linked Issue

issue

Upgrade Notices

N/A