Incrementing VERSION to 115.0.5783.1

Change-Id: Iddc39f6b58c64f7a5dd75b7d3b104d55faa985a3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4549166
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5783@{#2}
Cr-Branched-From: 85ab029-refs/heads/main@{#1146878}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=115
 MINOR=0
 BUILD=5783
-PATCH=0
+PATCH=1