Updating trunk VERSION from 4289.0 to 4290.0

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

Change-Id: If21f9828d2a5f8741487129fc51ff920d09a5c25
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2464090Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#815981}

chrome/VERSION

 MAJOR=88
 MINOR=0
-BUILD=4289
+BUILD=4290
 PATCH=0