Rename the file that org-link pointed to and update the link

rename-org-link-file.el

  (defun et/rename-org-link-file (path)
    (interactive
     (list
      (let* ((link (org-element-context))
             (old-path (org-element-property :path link)))
        (read-string "PATH: " old-path nil old-path))))
    (let ((old-path (org-element-property :path (org-element-context))))
      (mkdir (file-name-directory path) t)
      (rename-file old-path path)
      (save-excursion
        (goto-char (point-min))
        (while (search-forward old-path nil t)
          (replace-match path)))
      (message (format "Rename %s to %s" old-path path)))
    )