- More compact output
- Fix off-by-one for deprecation messages

Bug: v8:11165
Change-Id: I35e89e9496b4306ed0c692bde321d33c4bc1cd97
No-Try: True
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3245119
Auto-Submit: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77548}