SDFAB-993 Optimize helm values across component and umbrella chart

Also fix an NPE in secret-registry.yaml

Change-Id: I8178cfa050226482c0027b5a093bf4ef61a2b790
diff --git a/pfcp-agent/Chart.yaml b/pfcp-agent/Chart.yaml
index edffc8f..fb3a208 100644
--- a/pfcp-agent/Chart.yaml
+++ b/pfcp-agent/Chart.yaml
@@ -5,4 +5,4 @@
 apiVersion: v1
 description: PFCP Agent for SD-Fabric's P4 UPF
 name: pfcp-agent
-version: 0.0.3
+version: 0.0.4