Updating trunk VERSION from 4179.0 to 4180.0

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

Change-Id: Ib79304ed1121bc142a92aafca92451eeec129337
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2255653Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#780875}

chrome/VERSION

 MAJOR=85
 MINOR=0
-BUILD=4179
+BUILD=4180
 PATCH=0