Automator: update envoy@ in istio/proxy@master (#6010)

WORKSPACE

@@ -22,10 +22,10 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 # 1. Determine SHA256 `wget https://github.com/envoyproxy/envoy/archive/$COMMIT.tar.gz && sha256sum $COMMIT.tar.gz`
 # 2. Update .bazelversion, envoy.bazelrc and .bazelrc if needed.
 #
-# Commit date: 2024-12-17
-ENVOY_SHA = "caea82be303265f961da05791fc56381c56892d0"
+# Commit date: 2024-12-18
+ENVOY_SHA = "b14be4084100386a674cbed75a40c4083be3413f"
 
-ENVOY_SHA256 = "29899175041e2085610ccf880121a57adc176e889f278e23ce3931849bc2b9e1"
+ENVOY_SHA256 = "ac2876b166eab94e7ed3dbe92ed1024e33aba9148dd460db9ce384720333b3ed"
 
 ENVOY_ORG = "envoyproxy"
 

envoy.bazelrc

@@ -374,7 +374,7 @@ build:compile-time-options --@envoy//source/extensions/filters/http/kill_request
 
 # Docker sandbox
 # NOTE: Update this from https://github.com/envoyproxy/envoy-build-tools/blob/main/toolchains/rbe_toolchains_config.bzl#L8
-build:docker-sandbox --experimental_docker_image=envoyproxy/envoy-build-ubuntu:246094216be818bc56f1f7f30d3c08b5209ab125@sha256:551e17bd99f7c889e35317d46f7a047e777addb0398f8434a0d80e5f0955acd0
+build:docker-sandbox --experimental_docker_image=envoyproxy/envoy-build-ubuntu:d2be0c198feda0c607fa33209da01bf737ef373f@sha256:026fb6710a3e55716cc1aba129f613f9834212d2deb4ea875ac9d2c37ca19aa3
 build:docker-sandbox --spawn_strategy=docker
 build:docker-sandbox --strategy=Javac=docker
 build:docker-sandbox --strategy=Closure=docker
@@ -543,7 +543,7 @@ common:bes-envoy-engflow --bes_timeout=3600s
 common:bes-envoy-engflow --bes_upload_mode=fully_async
 common:bes-envoy-engflow --nolegacy_important_outputs
 common:rbe-envoy-engflow --remote_executor=grpcs://mordenite.cluster.engflow.com
-common:rbe-envoy-engflow --remote_default_exec_properties=container-image=docker://gcr.io/envoy-ci/envoy-build@sha256:12f8590ef6a4b7c1780f8b41e2b80f460b0129597e4a9ec39fbee33fbbddc4da
+common:rbe-envoy-engflow --remote_default_exec_properties=container-image=docker://gcr.io/envoy-ci/envoy-build@sha256:6e494ff9bcfa96868cb43f1200f2126cdab39d62db52a5dda80c8ec1694a93ee
 common:rbe-envoy-engflow --jobs=200
 common:rbe-envoy-engflow --define=engflow_rbe=true