multinode-demo scripts support --block-production-method arg (#33891)

multinode-demo/bootstrap-validator.sh

@@ -106,6 +106,9 @@ while [[ -n $1 ]]; do
     elif [[ $1 = --log-messages-bytes-limit ]]; then
       args+=("$1" "$2")
       shift 2
+    elif [[ $1 == --block-production-method ]]; then
+      args+=("$1" "$2")
+      shift 2
     else
       echo "Unknown argument: $1"
       $program --help

multinode-demo/validator.sh

@@ -182,6 +182,9 @@ while [[ -n $1 ]]; do
     elif [[ $1 == --skip-require-tower ]]; then
       maybeRequireTower=false
       shift
+    elif [[ $1 == --block-production-method ]]; then
+      args+=("$1" "$2")
+      shift 2
     elif [[ $1 = -h ]]; then
       usage "$@"
     else