Incrementing VERSION to 80.0.3972.1

TBR=kariah@chromium.org

Change-Id: Ifd4d5a0dc322b33b44a880a9710f08867d560249
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1925948
Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/3972@{#2}
Cr-Branched-From: cae74ab55a45ecb42d4ef3b34efd84250d3adbdb-refs/heads/master@{#716551}
1 file changed