Incrementing VERSION to 74.0.3729.4

TBR=cmasso@chromium.org

Change-Id: I36fa4bd264d26a24f936ad6c327a98fc3e8a23a3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1513733
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3729@{#10}
Cr-Branched-From: d4a8972e30b604f090aeda5dfff68386ae656267-refs/heads/master@{#638880}
1 file changed