Introduce `TraceStrongContainer()` to retain containers strongly. This
makes the use of `Trace(T*)` obsolete as all other use cases should
refer to Member overloads.

Bug: v8:13089
Change-Id: Ib0e762bf3298f1818528e45cc842d14a63f2c684
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3779680Reviewed-by: Anton Bikineev <bikineev@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81864}