fix: Docs Add name space variable to kubeconfig command (#2226)

Co-authored-by: dawid10353 <46601922+dawid10353@users.noreply.github.com>
Co-authored-by: Matt Trachier <matt.trachier@suse.com>

Author: 3 people

docs/resources/cluster_v2.md

@@ -300,10 +300,11 @@ RANCHER_ACCESS_KEY="<RANCHER_ACCESS_KEY>"
 RANCHER_SECRET_KEY="<RANCHER_SECRET_KEY>"
 HARVESTER_CLUSTER_ID="<HARVESTER_CLUSTER_ID>"
 CLUSTER_NAME="foo-harvester-v2-cloud-provider"
+NAMESPACE="default"
 curl -k -X POST ${RANCHER_SERVER_URL}/k8s/clusters/${HARVESTER_CLUSTER_ID}/v1/harvester/kubeconfig \
    -H 'Content-Type: application/json' \
    -u ${RANCHER_ACCESS_KEY}:${RANCHER_SECRET_KEY} \
-   -d '{"clusterRoleName": "harvesterhci.io:cloudprovider", "namespace": "default", "serviceAccountName": "'${CLUSTER_NAME}'"}' | xargs | sed 's/\\n/\n/g' > ${CLUSTER_NAME}-kubeconfig
+   -d '{"clusterRoleName": "harvesterhci.io:cloudprovider", "namespace": "'${NAMESPACE}'", "serviceAccountName": "'${CLUSTER_NAME}'"}' | xargs | sed 's/\\n/\n/g' > ${CLUSTER_NAME}-kubeconfig
 ```