Fix proxy-backup -> proxy-local

hosts

@@ -21,7 +21,7 @@ dhcp-aurore.adm.auro.re
 dhcp-aurore-backup.adm.auro.re
 dns-aurore.adm.auro.re
 docker-worker1-aurore.adm.auro.re
-proxy-backup.adm.auro.re
+proxy-local.adm.auro.re
 camelot.adm.auro.re
 gitea.adm.auro.re
 nextcloud.adm.auro.re
@@ -31,6 +31,7 @@ re2o-db.adm.auro.re
 pendragon.adm.auro.re
 services-bdd-local.adm.auro.re
 
+
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 # OVH