bundlerUpdateScript: init and use (#64822)

pkgs/tools/misc/t/default.nix

@@ -1,15 +1,17 @@
-{ lib, bundlerApp }:
+{ lib, bundlerApp, bundlerUpdateScript }:
 
 bundlerApp {
   pname = "t";
   gemdir = ./.;
   exes = [ "t" ];
 
+  passthru.updateScript = bundlerUpdateScript "t";
+
   meta = with lib; {
     description = "A command-line power tool for Twitter";
     homepage    = http://sferik.github.io/t/;
     license     = licenses.asl20;
-    maintainers = with maintainers; [ offline manveru ];
+    maintainers = with maintainers; [ offline manveru nicknovitski ];
     platforms   = platforms.unix;
   };
 }