Growing them linearly might result in quadratic allocation and gc time.

Bug: chromium:1267973
Change-Id: I8b9d400d9949b4062dd860edec6d98aa25c9550f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3268731Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77810}