Update 'next-3.x' with latest changes from 'main'

template/footer/toTop.html

-<a href="#top" class="toTop" title="{locale group='quiqqer/template-cologne' var='template.button.toTop'}">
+<a href="#top" class="toTop" title="{locale group='quiqqer/template-cologne' var='template.button.toTop'}"
+   aria-label="{locale group='quiqqer/template-cologne' var='template.button.toTop'}">
     <i class="fa fa-long-arrow-up toTop-icon"></i>
 </a>
\ No newline at end of file