message: Fix docstring for tuple()
  Summary: This docstring didn't have a closing "```" which broke some doc generation stuff
diff: @@ -991,6 +991,7 @@ pub(crate) fn global_functions(builder: &mut GlobalsBuilder) {
  /// tuple() == ()
  /// tuple([1,2,3]) == (1, 2, 3)
  /// # "#);
  + /// ```
  #[starlark(type(Tuple::TYPE))]
  #[starlark(speculative_exec_safe)]
  fn tuple(ref a: Option<Value>) -> Value<'v> {
  