Use CatalystX::Script::Server::Starman

This allows us to pass --max_server and similar options
to raise the number of workers from the default (5).

deps.nix

@@ -11,6 +11,7 @@ with pkgs;
   perlPackages.CatalystViewTT
   perlPackages.CatalystViewDownload
   perlPackages.CatalystViewJSON
+  perlPackages.CatalystXScriptServerStarman
   perlPackages.XMLSimple
   perlPackages.IPCRun
   perlPackages.IOCompress

src/lib/Hydra/Script/Server.pm

@@ -0,0 +1,7 @@
+package Hydra::Script::Server;
+use Moose;
+use namespace::autoclean;
+
+extends 'CatalystX::Script::Server::Starman';
+
+1;