nixos/traefik: add WorkingDirectory (#432214)

Changed files
+1
nixos
modules
services
web-servers
+1
nixos/modules/services/web-servers/traefik.nix
···
ProtectSystem = "full";
ReadWritePaths = [ cfg.dataDir ];
RuntimeDirectory = "traefik";
};
};
···
ProtectSystem = "full";
ReadWritePaths = [ cfg.dataDir ];
RuntimeDirectory = "traefik";
+
WorkingDirectory = cfg.dataDir;
};
};