[release-branch.go1.20] go1.20.6

Change-Id: I9dc89e8bca8cd6262f85be1266c53f53ab8c55a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/508838
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Joedian Reid <joedian@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Gopher Robot <gobot@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
diff --git a/VERSION b/VERSION
index 0524870..03d7710 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.20.5
\ No newline at end of file
+go1.20.6
\ No newline at end of file