Updating trunk VERSION from 4181.0 to 4182.0

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

Change-Id: I7ff46ac3e60e07130387c94335a3adbdbe8e385c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2262493Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#781681}

chrome/VERSION

 MAJOR=85
 MINOR=0
-BUILD=4181
+BUILD=4182
 PATCH=0