The js_weak_refs worklist is currently not updated after scavenges,
unlike other weak reference worklist.

Bug: v8:8179, chromium:1073981
Change-Id: I48172606995253edb8a0c96f2b7e2dc34cd3d0d6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2163827
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67350}