Clone job: increase memory limit (OOMKilled)

Clone jobs might fail due to OOMKilled occasionally.

This MR adds that configuration, thus avoiding such errors.

controllers/drupalsite_resources.go

@@ -1451,6 +1451,9 @@ func jobForDrupalSiteClone(currentobject *batchv1.Job, databaseSecret string, d
 						Requests: corev1.ResourceList{
 							corev1.ResourceMemory: resource.MustParse(jobMemoryRequest),
 						},
+						Limits: corev1.ResourceList{
+							corev1.ResourceMemory: resource.MustParse(jobMemoryLimit),
+						},
 					},
 					Env: []corev1.EnvVar{
 						{