[release-branch.go1.12] go1.12.5

Change-Id: Ib253d4aafab3ad65b4ba666f4eeb8b2f245997a1
Reviewed-on: https://go-review.googlesource.com/c/go/+/175447
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

VERSION

diff --git a/VERSION b/VERSION
index 581400b..ad3e3c3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.12.4
\ No newline at end of file
+go1.12.5
\ No newline at end of file