[release-branch.go1.18] go1.18.8

Change-Id: I89e791f1d6ae0984ba62bccef05886acbb10b2dd
Reviewed-on: https://go-review.googlesource.com/c/go/+/446957
Run-TryBot: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
diff --git a/VERSION b/VERSION
index d5bd5ca..aea94a5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.18.7
\ No newline at end of file
+go1.18.8
\ No newline at end of file