Merge branch 'update-istio-controlplane-tag-1.19.4-bb.0' into 'master'

istio update to 1.19.4-bb.0

Closes big-bang/product/packages/istio-controlplane#119

See merge request !3446

chart/values.yaml

@@ -166,11 +166,11 @@ istio:
   git:
     repo: https://repo1.dso.mil/big-bang/product/packages/istio-controlplane.git
     path: "./chart"
-    tag: "1.19.3-bb.1"
+    tag: "1.19.4-bb.0"
   helmRepo:
     repoName: "registry1"
     chartName: "istio"
-    tag: "1.19.3-bb.1"
+    tag: "1.19.4-bb.0"
 
   # -- Tetrate Istio Distribution - Tetrate provides FIPs verified Istio and Envoy software and support,
   # validated through the FIPs Boring Crypto module. Find out more from Tetrate - https://www.tetrate.io/tetrate-istio-subscription