in cryo_test build script exit on error

Author: sslivkoff

crates/python/python/cryo_test/examples/ethers_vs_alloy/build_cryo

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -e
+
 # get directory of script
 ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"