chore: upgrade tailwind css from 3.4 to 4.3

templates/_partials/_loading_indicator.html.twig

@@ -1,4 +1,4 @@
 <div id="loading-indicator"
-     class="invisible fixed top-0 left-0 inset-0 z-[60] backdrop-blur-sm flex items-center justify-center transition-all duration-100">
+     class="invisible fixed top-0 left-0 inset-0 z-[60] backdrop-blur-xs flex items-center justify-center transition-all duration-100">
     {% include '_partials/_spinner.html.twig' %}
 </div>