update changelog

Author: scottaohara

index.html

@@ -64,6 +64,11 @@
         the following substantive additions and/or corrections have been proposed:
       </p>
       <ul>
+        <li>
+          <a href="https://github.com/w3c/html-aria/pull/556">23 July 2025 - Addition:</a>
+          Update the <a href="#el-label">`label`</a> element to allow `role` and `aria-*` attributes
+          to be specified when the element is not associated with a labelable element.
+        </li>
         <li>
           <a href="https://github.com/w3c/html-aria/pull/528">23 July 2025 - Addition:</a>
           Add the <a href="#el-selectedcontent">`selectedcontent`</a> element and provide updated