Fix on accessibility

src/app/core/components/main/footer/footer.component.html

@@ -70,7 +70,7 @@
           <a href="https://www.grandlyon.com/" class="metropolis-website-link" target="_blank" rel="noopener">
             <img i18n-title="@@footer.metropole.site.title" title="Access the Lyon Metropolis website (new window)"
               class="plus-logo" src="./assets/img/footer-plus.png" alt="">
-            <span>A Lyon Metropolis website</span>
+            <span i18n="@@footer.metropole.site">A Lyon Metropolis website</span>
           </a>
         </li>
         <li>