Incrementing VERSION to 113.0.5645.1

Change-Id: I8bf6bb5cb99de182facf2d0d83ae97ea6c1e1dab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4331016
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5645@{#2}
Cr-Branched-From: ebcde16-refs/heads/main@{#1115871}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=113
 MINOR=0
 BUILD=5645
-PATCH=0
+PATCH=1