Since publishing is sequential anyway, we can as well publish all
available units in one go. This avoids repeated locking in both the
queue and the NativeModule.

R=thibaudm@chromium.org

Bug: v8:11164
Change-Id: Ie4b8914caaafd8d1e3330cb30f427aee6e571e9b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2644947
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72332}