Updating topology script for demo 09/01

Change-Id: If47b3d89ad20220d1e34ea5de7e421162ce88e8e
diff --git a/mininet/Chart.yaml b/mininet/Chart.yaml
index d380e2e..f56624f 100644
--- a/mininet/Chart.yaml
+++ b/mininet/Chart.yaml
@@ -18,4 +18,4 @@
 appVersion: 1.1.0
 description: A Helm chart for Mininet
 name: mininet
-version: 1.2.2
+version: 1.2.3-dev