Bump version to 1.72.0 (#659)

pkg/env/costmodelenv.go

@@ -64,7 +64,7 @@ const (
 // GetAWSAccessKeyID returns the environment variable value for AWSAccessKeyIDEnvVar which represents
 // the AWS access key for authentication
 func GetAppVersion() string {
-	return Get(AppVersionEnvVar, "1.71.1")
+	return Get(AppVersionEnvVar, "1.72.0")
 }
 
 // IsEmitNamespaceAnnotationsMetric returns true if cost-model is configured to emit the kube_namespace_annotations metric