Incrementing VERSION to 120.0.6077.2

Change-Id: Iad6d2a13dd2c3bfeb86900dba327347a5f45d676
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4952885
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/6077@{#3}
Cr-Branched-From: 0cb88fd-refs/heads/main@{#1212018}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=120
 MINOR=0
 BUILD=6077
-PATCH=1
+PATCH=2