Update PlayTimeCommands.cs (#10596)

pjb forgor to make it possible to actually use the command.

Content.Server/Administration/Commands/PlayTimeCommands.cs

@@ -58,6 +58,7 @@ public sealed class PlayTimeAddOverallCommand : IConsoleCommand
     }
 }
 
+[AdminCommand(AdminFlags.Admin)]
 public sealed class PlayTimeAddRoleCommand : IConsoleCommand
 {
     [Dependency] private readonly IPlayerManager _playerManager = default!;