[release-branch.go1.20] go1.20.9

Change-Id: Ic4eedc3dc193c335784b5a86214ea2e655e631a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/533237
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
TryBot-Bypass: Michael Pratt <mpratt@google.com>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
diff --git a/VERSION b/VERSION
index bec25ab..eb136b9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.20.8
\ No newline at end of file
+go1.20.9
\ No newline at end of file