[release-branch.go1.18] go1.18.5

Change-Id: I4ca2e873fa21fb4676bc1d0e382bd8fd407a2986
Reviewed-on: https://go-review.googlesource.com/c/go/+/420555
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Gopher Robot <gobot@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/VERSION b/VERSION
index 04d6198..497dca0 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.18.4
\ No newline at end of file
+go1.18.5
\ No newline at end of file