Updating trunk VERSION from 4324.0 to 4325.0 and incrementing major version to 89

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

Change-Id: I5fa77569d93318b6d6b9e15f2f65eca139c63b1a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2537133Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#827147}

chrome/MAJOR_BRANCH_DATE

-MAJOR_BRANCH_DATE=2020-10-02
+MAJOR_BRANCH_DATE=2020-11-13

chrome/VERSION

-MAJOR=88
+MAJOR=89
 MINOR=0
-BUILD=4324
+BUILD=4325
 PATCH=0