Update istio/operator Docker tag to v1.6.12

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/operator:1.6.11 AS base
+FROM istio/operator:1.6.12 AS base
 
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
 
@@ -10,7 +10,7 @@ LABEL org.opencontainers.image.title="istio-operator" \
       org.opencontainers.image.description="The istio-operator allows you to package, deploy, and manage Istio in Kubernetes." \
       org.opencontainers.image.licenses="Apache-2.0" \
       org.opencontainers.image.url="https://istio.io" \
-      org.opencontainers.image.version="1.6.11" \
+      org.opencontainers.image.version="1.6.12" \
       maintainer="cht@dsop.io"
 
 COPY --from=base /usr/local/bin/operator /usr/local/bin/operator

Jenkinsfile

 @Library('DCCSCR@master') _
-dccscrPipeline(version: "1.6.11")
+dccscrPipeline(version: "1.6.12")

download.yaml

 ---
 resources:
-  - url: "docker://docker.io/istio/operator@sha256:c86a7ecd618ad8b43f62ab1eea81ba70e9f69262c88f4efd5dd6a99c6fdb994e"
-    tag: "istio/operator:1.6.11"
+  - url: "docker://docker.io/istio/operator@sha256:7af9cf4c7ff7dc66f469bc1b230772c229d3de7e8f160f826f59b495bbc309db"
+    tag: "istio/operator:1.6.12"