[test] Disable test timing out on gc_stress bot

Bug: v8:12561
Change-Id: I6910723a3a85df7ba3d49816e5e800cd4ee6bad6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3404732
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Auto-Submit: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78711}

test/mjsunit/mjsunit.status

@@ -460,6 +460,9 @@
 
   # BUG(v8:11240)
   'regress/regress-v8-9267-1': [SKIP],
+
+  # BUG(v8:12561)
+  'spread-large-map': [SKIP],
 }],  # 'gc_stress'
 
 ##############################################################################