Pods and deployments should apply both in cache

Based on my reading of #calculate_reactive_cache in
ee/app/models/concerns/ee/kubernetes_service.rb, data[:pods] will always
be present whenever data[:deployments] is present.

ee/spec/models/project_services/kubernetes_service_spec.rb

@@ -91,7 +91,8 @@ describe KubernetesService, models: true, use_clean_rails_memory_store_caching:
         before do
           stub_reactive_cache(
             service,
-            deployments: []
+            deployments: [],
+            pods: []
           )
         end