Incrementing VERSION to 127.0.6506.2

Change-Id: I3144bbb37d8eada8f528ade8e203fe1a6dcae00b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5572247
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/6506@{#3}
Cr-Branched-From: 2c488d6-refs/heads/main@{#1306564}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=127
 MINOR=0
 BUILD=6506
-PATCH=1
+PATCH=2