Incrementing VERSION to 76.0.3809.18

TBR=mmoss@chromium.org

Change-Id: I7b05788ac4f03510b41c6fe9e10f0b5a5efd033e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1650513
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3809@{#148}
Cr-Branched-From: d82dec1a818f378c464ba307ddd9c92133eac355-refs/heads/master@{#665002}
1 file changed