message: ci: Use clang in multiprocess task to avoid OOM
diff: @@ -8,9 +8,9 @@ export LC_ALL=C.UTF-8
  export CONTAINER_NAME=ci_native_multiprocess
  export DOCKER_NAME_TAG=ubuntu:20.04
  -export PACKAGES="cmake python3"
  +export PACKAGES="cmake python3 llvm clang"
  export DEP_OPTS="DEBUG=1 MULTIPROCESS=1"
  export GOAL="install"
  -export BITCOIN_CONFIG="--enable-external-signer --enable-debug"
  +export BITCOIN_CONFIG="--enable-external-signer --enable-debug CC=clang CXX=clang++" # Use clang to avoid OOM
  export TEST_RUNNER_ENV="BITCOIND=bitcoin-node"
  export RUN_SECURITY_TESTS="true"
  