ci: limit max stack size to 512 KiB

Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>

ci/test/00_setup_env_arm.sh

@@ -16,6 +16,7 @@ export USE_BUSY_BOX=true
 export RUN_UNIT_TESTS=true
 export RUN_FUNCTIONAL_TESTS=false
 export GOAL="install"
+export CI_LIMIT_STACK_SIZE=1
 # -Wno-psabi is to disable ABI warnings: "note: parameter passing for argument of type ... changed in GCC 7.1"
 # This could be removed once the ABI change warning does not show up by default
 export BITCOIN_CONFIG="-DREDUCE_EXPORTS=ON -DCMAKE_CXX_FLAGS='-Wno-psabi -Wno-error=maybe-uninitialized'"