[release-branch.go1.17] go1.17.9

Change-Id: Id2437003673e7eb1c514f15e6266b93308b7d5e8
Reviewed-on: https://go-review.googlesource.com/c/go/+/399819
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
diff --git a/VERSION b/VERSION
index cea581f..699d953 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.17.8
\ No newline at end of file
+go1.17.9
\ No newline at end of file