Updating trunk VERSION from 4833.0 to 4834.0

* This is an automated release commit.
* Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true

Change-Id: Ic21e77fe647e03efb64552050b23cf780c69c85f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3392982
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#959821}