[test] Skip non-deterministic SABs tests for predictable bots

Bug: v8:12065
Change-Id: I88213ef7eeb37c280a89f08fed3ea256cc0997df
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3086460Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#76254}

test/mjsunit/mjsunit.status

@@ -1103,6 +1103,8 @@
   'regress/regress-1205290': [SKIP],
   'regress/regress-1212404': [SKIP],
   'regress/regress-1221035': [SKIP],
+  'regress/regress-1232620': [SKIP],
+  'regress/regress-crbug-1237153': [SKIP],
   'regress/wasm/regress-1067621': [SKIP],
 
   # BUG(v8:9975).