Automator: update [email protected] in istio/[email protected] (#1562)

Author: istio-testing

common/.commonfiles.sha

@@ -1 +1 @@
-0486bd2a788751eb9da3bfd386464e8ced8b95fb
+15c6ba9416d9fadc9016d40e6ca66b767fff8ce1

common/scripts/setup_env.sh

@@ -75,7 +75,7 @@ fi
 TOOLS_REGISTRY_PROVIDER=${TOOLS_REGISTRY_PROVIDER:-gcr.io}
 PROJECT_ID=${PROJECT_ID:-istio-testing}
 if [[ "${IMAGE_VERSION:-}" == "" ]]; then
-  IMAGE_VERSION=release-1.18-d4b5c8d9ce7215bbd1f955b8b994ac6b2e4fc00f
+  IMAGE_VERSION=release-1.18-4b6de8aea68d4d43ce4fbe2243933928c7219676
 fi
 if [[ "${IMAGE_NAME:-}" == "" ]]; then
   IMAGE_NAME=build-tools