ci: add --enable-suppress-external-warning to TSan CI flags

Clang's warnings are far noisier and warnings about deprecations and the
like from our dependencies are out of our control (and with dependencies
like Boost, clog up the build log to the point GitLab stops logging)

ci/test/00_setup_env_native_tsan.sh

@@ -10,7 +10,7 @@ export PACKAGES="clang-8 llvm-8 python3-zmq qtbase5-dev qttools5-dev-tools libev
 export DEP_OPTS="NO_UPNP=1 DEBUG=1"
 export TEST_RUNNER_EXTRA="--extended --exclude feature_pruning,feature_dbcrash,wallet_multiwallet.py" # Temporarily suppress ASan heap-use-after-free (see issue #14163)
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-zmq --enable-reduce-exports --enable-crash-hooks --with-sanitizers=thread"
+export BITCOIN_CONFIG="--enable-zmq --enable-reduce-exports --enable-crash-hooks --enable-suppress-external-warnings --with-sanitizers=thread"
 export BITCOIN_CONFIG="${BITCOIN_CONFIG} CC=clang-15 CXX=clang++-15 CXXFLAGS=-Werror=thread-safety"
 export CPPFLAGS="-DDEBUG_LOCKORDER -DENABLE_DASH_DEBUG -DARENA_DEBUG"
 export PYZMQ=true