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

Change-Id: Ib7eef6a14a0f20ced87f92624fe8941cf70ee602
Signed-off-by: Mahir Gunyel <mahir.gunyel@netsia.com>
diff --git a/VERSION b/VERSION
index e81e85b..f3b8d5c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-7.6.2
+7.6.3