Updating trunk VERSION from 4327.0 to 4328.0

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

Change-Id: I2d26ffbaee504748d97f2383a0c4cee6e0e7bace
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2538722Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#827676}

chrome/VERSION

 MAJOR=89
 MINOR=0
-BUILD=4327
+BUILD=4328
 PATCH=0