Updating trunk VERSION from 4298.0 to 4299.0

# This is an automated release commit.
# Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true
TBR=bindusuvarna@chromium.org

Change-Id: Ia4b3dfc28460e388dcc85b67ca36ac56053564bd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2488304Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#819224}

chrome/VERSION

 MAJOR=88
 MINOR=0
-BUILD=4298
+BUILD=4299
 PATCH=0