Incrementing VERSION to 72.0.3626.121

TBR=cmasso@chromium.org

Change-Id: Id1f68df7ff77119b6b85b6097e8deb86a70621bd
Reviewed-on: https://chromium-review.googlesource.com/c/1495834
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3626@{#883}
Cr-Branched-From: d897fb137fbaaa9355c0c93124cc048824eb1e65-refs/heads/master@{#612437}
1 file changed