Incrementing VERSION to 102.0.4952.3

Change-Id: I129bcbd02e7277fec01fb4879a46f11519311d2d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3538580
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/4952@{#5}
Cr-Branched-From: d992cf3-refs/heads/main@{#982946}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=102
 MINOR=0
 BUILD=4952
-PATCH=2
+PATCH=3