feat: update to SpiderMonkey 124.0.2

This release includes:
- An optimization for functions that only use `arguments.length` to avoid allocating the `arguments` object.
- An optimization for `Object.HasOwn` which for small numbers of atoms just unrolls the loop.

Author: Jake Champion

runtime/js-compute-runtime/js-compute-runtime.cpp

@@ -134,8 +134,7 @@ bool init_js() {
 
   // TODO: check if we should set a different creation zone.
   JS::RealmOptions options;
-  options.creationOptions().setStreamsEnabled(true).setWeakRefsEnabled(
-      JS::WeakRefSpecifier::EnabledWithoutCleanupSome);
+  options.creationOptions().setStreamsEnabled(true);
 
   JS::DisableIncrementalGC(cx);
   // JS_SetGCParameter(cx, JSGC_MAX_EMPTY_CHUNK_COUNT, 1);