Incrementing VERSION to 108.0.5359.129

Change-Id: I1e8ec92ed843d6d3d3305fee28eced3ae942a352
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4099764
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5359@{#1189}
Cr-Branched-From: 27d3765-refs/heads/main@{#1058933}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=108
 MINOR=0
 BUILD=5359
-PATCH=128
+PATCH=129