Updating trunk VERSION from 4282.0 to 4283.0

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

Change-Id: I2e126ac5038c482a9cdd7ed78ebdf7f80e6b0b45
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2447055Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#813546}

chrome/VERSION

 MAJOR=88
 MINOR=0
-BUILD=4282
+BUILD=4283
 PATCH=0