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

Change-Id: I156873d216ccb7d91e716b4348069df246b527b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/464496
Run-TryBot: Gopher Robot <gobot@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
diff --git a/VERSION b/VERSION
index 3faae45..83534e2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.20rc3
\ No newline at end of file
+go1.20
\ No newline at end of file