Incrementing VERSION to 73.0.3683.19

TBR=kariah@chromium.org

Change-Id: I8b9f9eff5ba3d2b61a8e85c82e8cb5315659d106
Reviewed-on: https://chromium-review.googlesource.com/c/1452358
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3683@{#160}
Cr-Branched-From: e51029943e0a38dd794b73caaf6373d5496ae783-refs/heads/master@{#625896}
1 file changed