[release-branch.go1.20] go1.20.5

Change-Id: I8c6b2a71eef157558ef428782211c3feba4fd03a
Reviewed-on: https://go-review.googlesource.com/c/go/+/501238
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/VERSION b/VERSION
index 22c4499..0524870 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.20.4
\ No newline at end of file
+go1.20.5
\ No newline at end of file