fix(k8s): enhance Kubernetes deployment (#3928)

Co-authored-by: Pepe Fagoaga <pepe@prowler.com>

kubernetes/job.yaml

@@ -1,13 +1,28 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: prowler-ns
+
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prowler-sa
+  namespace: prowler-ns
+
+---
 apiVersion: batch/v1
 kind: Job
 metadata:
   name: prowler
+  namespace: prowler-ns
 spec:
   template:
     metadata:
       labels:
         app: prowler
     spec:
+      serviceAccountName: prowler-sa
       containers:
       - name: prowler
         image: toniblyx/prowler:stable

kubernetes/prowler-rolebinding.yaml

@@ -1,12 +1,12 @@
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
-  name: prowler-read-cluster-default-sa
+  name: prowler-read-cluster-binding
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
   name: prowler-read-cluster
 subjects:
 - kind: ServiceAccount
-  name: default
-  namespace: default
+  name: prowler-sa
+  namespace: prowler-ns