chore: Update branch with latest patch-2 changes and submodule updates

Author: w3cgruntbot

ARIA/apg/patterns/tabs/tabs-pattern.md

@@ -169,7 +169,7 @@ if (enableSidebar) document.body.classList.add('has-sidebar');
           <li>Each element that contains the content panel for a <code>tab</code> has role <a class="role-reference" href="https://w3c.github.io/aria/#tabpanel">tabpanel</a>.</li>
           <li>
             If the tab list has a visible label, the element with role <code>tablist</code> has <a href="https://w3c.github.io/aria/#aria-labelledby" class="property-reference">aria-labelledby</a> set to a value that refers to the labelling element.
-            Otherwise, the <code>tablist</code> element has a label provided by <a href="https://w3c.github.io/aria/#aria-label" class="property-reference">aria-label</a>.
+            Otherwise, the <code>tablist</code> element has an optional name provided by <a href="https://w3c.github.io/aria/#aria-label" class="property-reference">aria-label</a>.
           </li>
           <li>Each element with role <code>tab</code> has the property <a href="https://w3c.github.io/aria/#aria-controls" class="property-reference">aria-controls</a> referring to its associated <code>tabpanel</code> element.</li>
           <li>The active <code>tab</code> element has the state <a href="https://w3c.github.io/aria/#aria-selected" class="state-reference">aria-selected</a> set to <code>true</code> and all other <code>tab</code> elements have it set to <code>false</code>.</li>