[VOL-5408]-Update versions of VOLTHA components for release

Signed-off-by: Mahir Gunyel <mahir.gunyel@netsia.com>
Change-Id: I3115a7ea42a5b33f51a09e1dfc1ef81da5220425
diff --git a/VERSION b/VERSION
index 9634e38..14f37ac 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.12
+2.12.13