The new name "IsWasmModuleObject" was introduced in
https://crrev.com/c/2013109 and chrome switched to the new name in
https://crrev.com/c/2016622. Thus, the old name can be deprecated for
the 8.1 branch.

R=adamk@chromium.org

Bug: v8:10021
Change-Id: Ic09d4f8c9ae65ee855e3968f1c0814df0c97bb25
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2016584Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65955}