Replace more * in macro with #splat

src/invidious/channels/channels.cr

@@ -93,7 +93,7 @@ struct ChannelVideo
   def to_tuple
     {% begin %}
       {
-        {{*@type.instance_vars.map(&.name)}}
+        {{@type.instance_vars.map(&.name).splat}}
       }
     {% end %}
   end

src/invidious/config.cr

@@ -48,7 +48,7 @@ struct ConfigPreferences
   def to_tuple
     {% begin %}
       {
-        {{*@type.instance_vars.map { |var| "#{var.name}: #{var.name}".id }}}
+        {{(@type.instance_vars.map { |var| "#{var.name}: #{var.name}".id }).splat}}
       }
     {% end %}
   end

src/invidious/helpers/errors.cr

@@ -95,7 +95,7 @@ end
 # -------------------
 
 macro error_atom(*args)
-  error_atom_helper(env, {{*args}})
+  error_atom_helper(env, {{args.splat}})
 end
 
 def error_atom_helper(env : HTTP::Server::Context, status_code : Int32, exception : Exception)