Update istio/istioctl Docker tag to v1.6.4

Dockerfile

@@ -2,7 +2,7 @@ ARG BASE_REGISTRY=nexus-docker-secure.levelup-dev.io
 ARG BASE_IMAGE=redhat/ubi/ubi8
 ARG BASE_TAG=8.2
 
-FROM istio/istioctl:1.6.3 AS base
+FROM istio/istioctl:1.6.4 AS base
 
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
 
@@ -10,7 +10,7 @@ LABEL org.opencontainers.image.title="istioctl" \
       org.opencontainers.image.description="Istio configuration command line utility." \
       org.opencontainers.image.licenses="Apache-2.0" \
       org.opencontainers.image.url="https://istio.io" \
-      org.opencontainers.image.version="1.6.3" \
+      org.opencontainers.image.version="1.6.4" \
       maintainer="cht@dsop.io"
 
 COPY --from=base /usr/local/bin/istioctl /usr/local/bin/istioctl

Jenkinsfile

 @Library('DCCSCR@master') _
-dccscrPipeline(version: "1.6.3")
+dccscrPipeline(version: "1.6.4")

download.yaml

 ---
 resources:
-  - url: "docker://docker.io/istio/istioctl@sha256:ea0633841ef66e85c5a91ffc9e470e2f04c3dba0423b1a681f8f1befe460bc56"
-    tag: "istio/istioctl:1.6.3"
+  - url: "docker://docker.io/istio/istioctl@sha256:6ff9e65f1d9d3ccf1923dba82e50dad9f46654303c52b33e5c08770232379f37"
+    tag: "istio/istioctl:1.6.4"

[jenkins-gitlab]

Pipeline Status: FAILURE
FAILURE Stage: Twistlock Scan
Branch: renovate/docker-istio-istioctl-1.6.x

graph LR
  0([setup]):::INTERNAL_SUCCESS --> 1([Import Artifacts]):::SUCCESS --> 2((/)):::INTERNAL_SUCCESS --> 3([Stage Artifacts]):::SUCCESS --> 4((/)):::INTERNAL_SUCCESS --> 5([Build]):::SUCCESS --> 6([Publish, Scan & Report]):::INTERNAL_FAILURE

classDef SUCCESS font-size:10px
classDef FAILURE fill:#f44, font-size:10px
classDef SKIPPED font-size:10px
classDef ABORTED fill:#889, font-size:10px
classDef INTERNAL_SUCCESS font-size:10px, stroke-dasharray: 2, 1
classDef INTERNAL_FAILURE fill:#f44, font-size:10px, stroke-dasharray: 2, 1
classDef INTERNAL_SKIPPED font-size:10px, stroke-dasharray: 2, 1
classDef INTERNAL_ABORTED fill:#889, font-size:10px, stroke-dasharray: 2, 1