Automator: update envoy@ in istio/proxy@master (#5569)

Author: istio-testing

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: 2024-05-21
-ENVOY_SHA = "fbae6c7344b1d8a80804e42dedb7528d743db9e9"
+# Commit date: 2024-05-22
+ENVOY_SHA = "b1e75c7b7c28f06b304135ce57c2dc6f7164944e"
 
-ENVOY_SHA256 = "f0f6d95e5d48041791db7286b8bbe0c9a6b96a0e26c265d0069447fac9c2d117"
+ENVOY_SHA256 = "04703eac79b0b25668b598fcf09f780537d6d2bd097e7a31281a72b9111af376"
 
 ENVOY_ORG = "envoyproxy"
 

envoy.bazelrc

@@ -148,12 +148,6 @@ build:macos --action_env=PATH=/opt/homebrew/bin:/opt/local/bin:/usr/local/bin:/u
 build:macos --host_action_env=PATH=/opt/homebrew/bin:/opt/local/bin:/usr/local/bin:/usr/bin:/bin
 build:macos --define tcmalloc=disabled
 
-# Workaround issue with pkgconfig, see https://github.com/envoyproxy/envoy/issues/33225
-build:macos --host_action_env=CXXFLAGS=-Wno-int-conversion
-build:macos --action_env=CXXFLAGS=-Wno-int-conversion
-build:macos --host_action_env=CFLAGS=-Wno-int-conversion
-build:macos --action_env=CFLAGS=-Wno-int-conversion
-
 # macOS ASAN/UBSAN
 build:macos-asan --config=asan
 # Workaround, see https://github.com/bazelbuild/bazel/issues/6932