Incrementing VERSION to 74.0.3729.91

TBR=govind@chromium.org

Change-Id: I3a3d8e6ff7f25ea8f4832f1856e4820e308e7d45
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1570661
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3729@{#860}
Cr-Branched-From: d4a8972e30b604f090aeda5dfff68386ae656267-refs/heads/master@{#638880}
1 file changed