Mimir also wants network-online.target

Thank you helpful eval warning

services/monitoring/lgtm/mimir.nix

@@ -89,6 +89,7 @@ in
       # Mimir tries to determine its own IP address for gossip purposes,
       # even when it's the only instance, and fails if it can't find one.
       # Avoid that by ensuring it starts after the network is set up.
+      wants = [ "network-online.target" ];
       after = ["network-online.target"];
       serviceConfig.EnvironmentFile = [ config.age.secrets.mimir-environment.path ];
     };