Enable --limit-ledger-size on testnets (#5927)

automerge

multinode-demo/bootstrap-leader.sh

@@ -26,6 +26,9 @@ while [[ -n $1 ]]; do
     elif [[ $1 = --dynamic-port-range ]]; then
       args+=("$1" "$2")
       shift 2
+    elif [[ $1 = --limit-ledger-size ]]; then
+      args+=("$1")
+      shift
     else
       echo "Unknown argument: $1"
       $program --help