Incrementing VERSION to 132.0.6793.3

Change-Id: I61399806ecd70d86059ae264d8f9da9edfc41d21
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5952810
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/6793@{#6}
Cr-Branched-From: 8b282454-refs/heads/main@{#1372444}

chrome/VERSION

 MAJOR=132
 MINOR=0
 BUILD=6793
-PATCH=2
+PATCH=3