Incrementing VERSION to 110.0.5481.29

Change-Id: I28ee3b8345886b695685599dd281514028bd625c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4148787
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5481@{#184}
Cr-Branched-From: 130f3e4-refs/heads/main@{#1084008}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=110
 MINOR=0
 BUILD=5481
-PATCH=28
+PATCH=29