istio update to 1.21.1-bb.1

chart/values.yaml

@@ -174,11 +174,11 @@ istio:
   git:
     repo: https://repo1.dso.mil/big-bang/product/packages/istio-controlplane.git
     path: "./chart"
-    tag: "1.20.4-bb.3"
+    tag: "1.21.1-bb.1"
   helmRepo:
     repoName: "registry1"
     chartName: "istio"
-    tag: "1.20.4-bb.3"
+    tag: "1.21.1-bb.1"
     # -- If the HelmRelease should verify the cosign signature of the HelmRepo (only relevant if Repo is OCI).  Set to 'false' to disable verification.
     # cosignVerify: