[release-branch.go1.20] go1.20.12

Change-Id: I79ae17037f1b4a126d9ca04106b7943c0961d967
Reviewed-on: https://go-review.googlesource.com/c/go/+/547435
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
diff --git a/VERSION b/VERSION
index fbed4c6..b4091fb 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.20.11
\ No newline at end of file
+go1.20.12
\ No newline at end of file