Incrementing VERSION to 80.0.3983.1

TBR=cmasso@chromium.org

Change-Id: Idaf523aab2fa05f4263a335b658b0e639b83ed5c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1943468
Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/3983@{#2}
Cr-Branched-From: 1de90cee419e7c5ad4e3a300a75aacdd0003a29a-refs/heads/master@{#720362}
1 file changed