Update Stratum and PFCP agent image to latest as of 2022-02-26

Change-Id: I3a7a92469c09592753459f290e1fa00d62068976
diff --git a/pfcp-agent/values.yaml b/pfcp-agent/values.yaml
index f5437b5..acb41f9 100644
--- a/pfcp-agent/values.yaml
+++ b/pfcp-agent/values.yaml
@@ -5,7 +5,7 @@
 images:
   tags:
     init: registry.aetherproject.org/tools/busybox:stable
-    pfcpiface: omecproject/upf-epc-pfcpiface:master-362f8ab
+    pfcpiface: omecproject/upf-epc-pfcpiface:master-f506bf2
   pullPolicy: Always
 
 nodeSelectors: