Update various charts in preparation of SD-BNG release

Change-Id: Ie4f792006fd2de8cf4a32f7510d716dacfc1c8cc
diff --git a/nem-monitoring/values.yaml b/nem-monitoring/values.yaml
index c978404..b6af9b7 100644
--- a/nem-monitoring/values.yaml
+++ b/nem-monitoring/values.yaml
@@ -19,7 +19,7 @@
 images:
   kpi_exporter:
     repository: 'opencord/kafka-topic-exporter'
-    tag: '1.2.3'
+    tag: '1.2.6'
     pullPolicy: 'Always'
 
 kpi_exporter: