Update release-1.5 and release-1.6

Change-Id: Id7fe1bf9dd2e94c7863c1a9f5a73287020dc8912
diff --git a/configs/release-1.5 b/configs/release-1.5
index 74b63a9..ea5f548 100644
--- a/configs/release-1.5
+++ b/configs/release-1.5
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
 
-OMEC_CONTROL_PLANE_CHART := aether/omec-control-plane --version 0.8.3
+OMEC_CONTROL_PLANE_CHART := aether/omec-control-plane --version 0.8.4
 OMEC_USER_PLANE_CHART    := aether/omec-user-plane --version 0.4.8
 OMEC_SUB_PROVISION_CHART := aether/omec-sub-provision --version 0.2.0
 5GC_CONTROL_PLANE_CHART  := aether/5g-control-plane --version 0.4.0