Now that try blocks don't need a catch handler, ensure that we still
properly close the scope when we handle the "end" opcode.

R=clemensb@chromium.org

Change-Id: I012939d5b3ee9caee9275a2f0abd65e517593870
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2959623Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75126}