Fix footer links

Author: smnandre

ux.symfony.com/templates/icons/_aside.html.twig

@@ -4,13 +4,13 @@
             <twig:DocsLink
                 title="Documentation"
                 text="Get going with the official Symfony doc."
-                url="https://www.symfony.com/doc/ux.html"
+                url="https://symfony.com/bundles/ux-icons/"
                 icon="symfony"
             />
             <twig:DocsLink
                 title="Screencasts"
-                text="Watch the screencast on SymfonyCasts."
-                url="https://symfonycasts.com/screencast/symfony-ux"
+                text="Watch UX screencasts on SymfonyCasts."
+                url="https://symfonycasts.com/"
                 icon="symfonycast"
             />
             <twig:DocsLink