Additional change: Allow regular expressions in assertTraps.

Bug: v8:7748
Change-Id: I3bf99faec3d4f25fcf3caa4ed310f02f03196d4d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3743483Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81518}