Updating trunk VERSION from 4912.0 to 4913.0

* This is an automated release commit.
* Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true

Change-Id: I5ae233ea0a6bf4778123a0647def3b8a0685e8b7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3492276
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#975477}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=101
 MINOR=0
-BUILD=4912
+BUILD=4913
 PATCH=0