You have been tasked with maintaining a Google Kubernetes Engine (GKE) cluster named 'dev', which is deployed on Google Cloud Platform (GCP). To efficiently manage the GKE cluster configurations, you want to utilize the command line interface (CLI). You have already downloaded and installed the Google Cloud SDK on your workstation. To streamline your workflow, you need to configure the Cloud SDK so that all future CLI commands will, by default, target this specific 'dev' cluster. What action should you take to achieve this default behavior?