Skip watchdog-fire-while-in-forEachInIterable for memory-limited pl…

…atforms

https://bugs.webkit.org/show_bug.cgi?id=260616

Reviewed by Yusuke Suzuki.

This has been failing on 32-bit release builds for some time; skip there for
now. If the array size was smaller, we could make this test work--AIUI, if the
watchdog doesn't fire at all, the test still passes? So, I'm being quite
conservative about not changing the test for 64-bit.

* JSTests/stress/watchdog-fire-while-in-forEachInIterable.js:

Canonical link: https://commits.webkit.org/267209@main

JSTests/stress/watchdog-fire-while-in-forEachInIterable.js

@@ -1,3 +1,4 @@
+//@ skip if $memoryLimited
 //@ runDefault("--watchdog=100", "--watchdog-exception-ok")
 
 const a = [];