base_lister: Consistently require only package's presence

site-modules/profile/manifests/swh/deploy/base_lister.pp

@@ -15,6 +15,6 @@ class profile::swh::deploy::base_lister {
   $packages = ['python3-swh.lister']
 
   package {$packages:
-    ensure => latest,
+    ensure => present,
   }
 }