Incrementing VERSION to 80.0.3962.1

TBR=mmoss@chromium.org

Change-Id: I152d2ede7fb4775a4f9b0691a0030855d0e98723
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1902192
Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/3962@{#2}
Cr-Branched-From: 5bb342280da3b0e5666e7cb384c4d83403f70e56-refs/heads/master@{#713166}
1 file changed