Releasing 4.1.5 using BBSim 1.4.1 for VOLTHA-2.6

Change-Id: Ib279670ad51c4c43402b766d1d747f29a2519978
diff --git a/bbsim/Chart.yaml b/bbsim/Chart.yaml
index e49ada4..62864ee 100644
--- a/bbsim/Chart.yaml
+++ b/bbsim/Chart.yaml
@@ -16,5 +16,5 @@
 description: Broadband Simulator
 icon: https://guide.opencord.org/logos/cord.svg
 apiVersion: v1
-version: 4.1.4
-appVersion: 1.4.0
+version: 4.1.5
+appVersion: 1.4.1