refactor: (if|when)-let -> (if|when)-let*

With the former macros' future in the air (and likely to be targeted in
future, potentially breaking changes), I'll deal with this now than have
it bite me later.

Ref: https://lists.gnu.org/archive/html/emacs-devel/2024-10/msg00637.html

modules/editor/evil/autoload/textobjects.el

@@ -26,7 +26,7 @@ This excludes the protocol and querystring."
        (re-search-forward "://" end t))
      (save-excursion
        (goto-char end)
-       (- (if-let (pos (re-search-backward "[?#]" beg t))
+       (- (if-let* ((pos (re-search-backward "[?#]" beg t)))
               pos
             end)
           (if (evil-visual-state-p)