Incrementing VERSION to 77.0.3865.120

TBR=benmason@chromium.org

Change-Id: I06227c9ddb8deff3923e67fa719b70d85460c226
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1848655
Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/3865@{#884}
Cr-Branched-From: 0cdcc6158160790658d1f033d3db873603250124-refs/heads/master@{#681094}
diff --git a/chrome/VERSION b/chrome/VERSION
index 9a0fac4..3d95bd1 100644
--- a/chrome/VERSION
+++ b/chrome/VERSION
@@ -1,4 +1,4 @@
 MAJOR=77
 MINOR=0
 BUILD=3865
-PATCH=119
+PATCH=120