kibana: fix build

hosts/containers/kibana/default.nix

@@ -9,10 +9,13 @@
   networking.defaultGateway = "172.20.73.1";
   networking.firewall.allowedTCPPorts = [ 80 443 ];
 
-  # Required for krops
+  # Required for deployment
   services.openssh.enable = true;
   environment.systemPackages = [ pkgs.git ];
 
+  # noXlibs breaks cairo:
+  environment.noXlibs = false;
+
   nixpkgs.config.allowUnfree = true;
   services.elasticsearch = {
     enable = true;