Incrementing VERSION to 112.0.5615.5

Change-Id: I6631d526ec3c9521c89b53152acb5d59ed7c120a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4289849
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5615@{#10}
Cr-Branched-From: 9c6408e-refs/heads/main@{#1109224}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=112
 MINOR=0
 BUILD=5615
-PATCH=4
+PATCH=5