[release-branch.go1.15] go1.15.8

Change-Id: Ic8824cabbc8ae62360e0cda4b7c5604db7d405f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/289694
Run-TryBot: Carlos Amedee <carlos@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Alexander Rakoczy <alex@golang.org>
Trust: Alexander Rakoczy <alex@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
diff --git a/VERSION b/VERSION
index 4b2ef0e..3a2ab1d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.15.7
\ No newline at end of file
+go1.15.8
\ No newline at end of file