SDFAB-993 Optimize helm values across component and umbrella chart

Also fix an NPE in secret-registry.yaml

Change-Id: I8178cfa050226482c0027b5a093bf4ef61a2b790
diff --git a/sdfabric/Chart.yaml b/sdfabric/Chart.yaml
index 682a6c2..59e3cc2 100644
--- a/sdfabric/Chart.yaml
+++ b/sdfabric/Chart.yaml
@@ -7,7 +7,7 @@
 description: A chart to deploy all SD-Fabric components
 kubeVersion: ">=1.18.0"
 type: application
-version: 1.0.15
+version: 1.0.16
 keywords:
   - aether
   - sdn
@@ -27,19 +27,19 @@
     condition: import.stratum.enabled
   - name: pfcp-agent
     repository: file://../pfcp-agent
-    version: 0.0.3
+    version: 0.0.4
     condition: import.pfcp-agent.enabled
   - name: dbuf
     repository: file://../dbuf
-    version: 0.0.2
+    version: 0.0.3
     condition: import.dbuf.enabled
   - name: int-host-reporter
     repository: file://../int-host-reporter
-    version: 0.0.2
+    version: 0.0.3
     condition: import.int-host-reporter.enabled
   - name: di-topology-watchdog
     repository: file://../di-topology-watchdog
-    version: 0.0.2
+    version: 0.0.3
     condition: import.di-topology-watchdog.enabled
   - name: di-metrics-exporter
     repository: file://../di-metrics-exporter