Change alert message

Signed-off-by: Dominika Zemanovicova <dzemanov@redhat.com>

plugins/kubernetes-cluster/src/components/KubernetesClusterContent/KubernetesClusterContent.tsx

@@ -65,7 +65,7 @@ export const KubernetesClusterContent = () => {
       errorPage={
         <WarningPanel
           title="Permission required"
-          message={`To view Kubernetes objects, contact your Backstage administrator to give you the
+          message={`To view Kubernetes objects, contact your portal administrator to give you the
                         '${kubernetesClustersReadPermission.name}' permission.`}
         />
       }

plugins/kubernetes/src/RequireKubernetesPermissions.tsx

@@ -52,7 +52,7 @@ export function RequireKubernetesPermissions(
   return (
     <WarningPanel
       title="Permission required"
-      message={`To view Kubernetes objects, contact your Backstage administrator to give you the 
+      message={`To view Kubernetes objects, contact your portal administrator to give you the 
               '${kubernetesClustersReadPermission.name}' and '${kubernetesResourcesReadPermission.name}' permission.`}
     />
   );