Updating trunk VERSION from 6668.0 to 6669.0 and incrementing major version to 130

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

Change-Id: I994d2b39ae33bcdf1c0b76e6325058865c983540
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5796636
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1343913}