Use ping instead of arping for neighbor probing

Change-Id: I7f0d1448d6cfa3a70c08e32444fd2084a5427042
diff --git a/omec/omec-user-plane/Chart.yaml b/omec/omec-user-plane/Chart.yaml
index 3b7a775..6a8ac1a 100644
--- a/omec/omec-user-plane/Chart.yaml
+++ b/omec/omec-user-plane/Chart.yaml
@@ -7,4 +7,4 @@
 name: omec-user-plane
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 0.4.5
+version: 0.4.6