Incrementing VERSION to 120.0.6074.1

Change-Id: I6d653726d3c35af5d352ba5926e24813c3ef70a8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4951891
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/6074@{#2}
Cr-Branched-From: aa14fee-refs/heads/main@{#1211232}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=120
 MINOR=0
 BUILD=6074
-PATCH=0
+PATCH=1