Broken link in page: 201-cluster-monitoring

[prashantmn]

Source page: https://github.com/aws-samples/aws-workshop-for-kubernetes/tree/master/02-path-working-with-clusters/201-cluster-monitoring

Text with broken link: Deploying applications using Kubernetes Helm charts.

Link referred: https://github.com/aws-samples/aws-workshop-for-kubernetes/blob/master/03-path-application-development/306-app-management-with-helm

Fix suggestion: 306 to be replaced with 307