Bump SD-CORE apps

Change-Id: I8d25f6d1f7b2351bee0cc51d2ced924ad9a70d24
diff --git a/omec/omec-user-plane/values.yaml b/omec/omec-user-plane/values.yaml
index 858048c..ddb1186 100644
--- a/omec/omec-user-plane/values.yaml
+++ b/omec/omec-user-plane/values.yaml
@@ -4,8 +4,8 @@
 
 images:
   tags:
-    bess: registry.aetherproject.org/proxy/omecproject/upf-epc-bess:master-49283ad
-    pfcpiface: registry.aetherproject.org/proxy/omecproject/upf-epc-pfcpiface:master-49283ad
+    bess: "registry.aetherproject.org/proxy/omecproject/upf-epc-bess:master-cc2886e"
+    pfcpiface: "registry.aetherproject.org/proxy/omecproject/upf-epc-pfcpiface:master-cc2886e"
     tools: registry.aetherproject.org/tools/busybox:stable
   pullPolicy: IfNotPresent
   # Secrets must be manually created in the namespace.