fix: correct semantic for image pull secrets

Author: Adriano Santos

spawn_operator/spawn_operator/lib/spawn_operator/k8s/proxy/deployment.ex

@@ -459,9 +459,9 @@ defmodule SpawnOperator.K8s.Proxy.Deployment do
 
   defp maybe_put_image_pull_secrets(
          spec,
-         %{"imagePullSecrets" => image_pull_secrets} = _host_params
+         %{"pullSecretRef" => secret_name} = _host_params
        ) do
-    Map.merge(spec, %{"imagePullSecrets" => image_pull_secrets})
+    Map.merge(spec, %{"imagePullSecrets" => %{"name" => secret_name}})
   end
 
   defp maybe_put_image_pull_secrets(spec, _), do: spec

spawn_operator/spawn_operator/lib/spawn_operator/versions/api/v1/actor_host.ex

@@ -193,13 +193,8 @@ defmodule SpawnOperator.Versions.Api.V1.ActorHost do
                 properties:
                   image:
                     type: string
-                  imagePullSecrets:
-                    type: array
-                    items:
-                      type: object
-                      properties:
-                        name:
-                          type: string
+                  pullSecretsRef:
+                    type: string
                   volumeMounts:
                     type: array
                     items: