[test] Add turboshaft-from-maglev to fuzzing experiments

No-Try: true
Bug: 42204525
Change-Id: If7b5a42b2b5ba8b225cfea476e20210f44f11f85
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5679230


Reviewed-by: Darius Mercadier <dmercadier@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#94858}