add allowed role for aside element (#455)

* add allowed role for aside element - related to, #411 but does not resolve the issue.
* update change log

Author: scottaohara

index.html

@@ -64,6 +64,10 @@
         the following substantive additions and/or corrections have been proposed:
       </p>
       <ul>
+        <li>
+          <a href="https://github.com/w3c/html-aria/pull/455">9 July 2023 - Addition:</a>
+          Update the <a href="#el-aside">`aside`</a> element to allow the dpub `doc-glossary` role.
+        </li>
         <li>
           <a href="https://github.com/w3c/html-aria/pull/469">5 July 2023 - Addition:</a>
           Update the <a href="#el-button">`button`</a>, <a href="#el-input-button">`input type=button`</a>, <a href="#el-input-image">`input type=image`</a>
@@ -674,6 +678,7 @@ <h2 id="docconformance">
                 <a data-cite="dpub-aria-1.0#doc-dedication">`doc-dedication`</a>,
                 <a data-cite="dpub-aria-1.0#doc-example">`doc-example`</a>,
                 <a data-cite="dpub-aria-1.0#doc-footnote">`doc-footnote`</a>,
+                <span class="proposed addition"><a data-cite="dpub-aria-1.0#doc-glossary">`doc-glossary`</a>,</span>
                 <a data-cite="dpub-aria-1.0#doc-pullquote">`doc-pullquote`</a>
                 or <a data-cite="dpub-aria-1.0#doc-tip">`doc-tip`</a>
               </p>