add aria-descreibedby for confirm button

Author: bsatarnejad

app/components/primer/open_project/danger_dialog.html.erb

@@ -16,7 +16,7 @@
       </scrollable-region>
       <%= render(Primer::Alpha::Dialog::Footer.new(show_divider: false)) do %>
         <%= render(Primer::Beta::Button.new(data: { "close-dialog-id": dialog_id })) { @cancel_button_text } %>
-        <%= render(Primer::Beta::Button.new(type: (@form_wrapper.shows_form? ? :submit : :button), scheme: :danger, data: { "submit-dialog-id": dialog_id })) { @confirm_button_text } %>
+        <%= render(Primer::Beta::Button.new(type: (@form_wrapper.shows_form? ? :submit : :button), scheme: :danger, aria: { describedby: "#{dialog_id}-check_box" }, data: { "submit-dialog-id": dialog_id })) { @confirm_button_text } %>
       <% end %>
     <% end %>
   </danger-dialog-form-helper>