[Toybox] weird timeout flake

[enh]

i've not seen this myself, but i have _one_ report from CI of this failure:

FAIL: timeout can't execute
echo -ne '' | "/system/bin/timeout" .1 / 2>/dev/null ; echo $?
--- expected 2023-06-21 04:02:52.424000000 +0000
+++ actual 2023-06-21 04:02:52.476000000 +0000
@@ -1 +1 @@
-126
+127