Updating trunk VERSION from 4323.0 to 4324.0

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

Change-Id: I6d898f3a8dd574a9c1d078af17f29aeda526246f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2533692Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#826645}

chrome/VERSION

 MAJOR=88
 MINOR=0
-BUILD=4323
+BUILD=4324
 PATCH=0