Added missing config.d.ts values

Closes: #26958
Signed-off-by: Jente Sondervorst <jentesondervorst@gmail.com>

Author: Jenson3210

.changeset/purple-masks-swim.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-kubernetes-backend': patch
+---
+
+Adapted the config.d.ts for custom k8s cluster authProvider implementations

plugins/kubernetes-backend/config.d.ts

@@ -22,6 +22,7 @@ export interface Config {
       | 'configmaps'
       | 'deployments'
       | 'limitranges'
+      | 'resourcequotas'
       | 'replicasets'
       | 'horizontalpodautoscalers'
       | 'jobs'
@@ -32,7 +33,7 @@ export interface Config {
       | 'daemonsets'
     >;
     serviceLocatorMethod: {
-      type: 'multiTenant';
+      type: 'multiTenant' | 'singleTenant' | 'catalogRelation';
     };
     clusterLocatorMethods: Array<
       | {
@@ -55,7 +56,8 @@ export interface Config {
               | 'google'
               | 'googleServiceAccount'
               | 'oidc'
-              | 'serviceAccount';
+              | 'serviceAccount'
+              | string;
             /** @visibility secret  */
             authMetadata?: object;
             /** @visibility frontend */
@@ -116,6 +118,7 @@ export interface Config {
       configmaps?: string;
       deployments?: string;
       limitranges?: string;
+      resourcequotas?: string;
       replicasets?: string;
       horizontalpodautoscalers?: string;
       jobs?: string;