Rename Kubernetes Clusters in Catalog Menu to "Clusters" (#3099)

Signed-off-by: Mario Sarcher <mario@sarcher.de>

src/common/catalog-entities/kubernetes-cluster.ts

@@ -148,7 +148,7 @@ export class KubernetesClusterCategory extends CatalogCategory {
   public readonly apiVersion = "catalog.k8slens.dev/v1alpha1";
   public readonly kind = "CatalogCategory";
   public metadata = {
-    name: "Kubernetes Clusters",
+    name: "Clusters",
     icon: require(`!!raw-loader!./icons/kubernetes.svg`).default, // eslint-disable-line
   };
   public spec: CatalogCategorySpec = {