fix: reword table skip link

Author: adamjohnson

templates/index.html

@@ -74,7 +74,7 @@ <h2>All projects</h2>
 
             {% include "partials/_table-filters.html" %}
 
-            <a href="#contribute" class="visually-hidden focusable">Skip to Contributing</a>
+            <a href="#contribute" class="visually-hidden focusable">Skip past table</a>
 
             {% include "partials/_projects-table.html" %}