minor #2203 [Site] Fix deprecated function call (chalasr)

This PR was merged into the 2.x branch.

Discussion
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[Site] Fix deprecated function call

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Issues        | -
| License       | MIT

Next to #2073

Commits
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fed198c [Site] Fix deprecated function call

Author: Kocal

ux.symfony.com/templates/ux_packages/map.html.twig

@@ -34,7 +34,7 @@
 {% block demo_content %}
     <div>
         {# The map must have a defined height #}
-        {{ render_map(map, {style: 'height: 600px;'}) }}
+        {{ ux_map(map, {style: 'height: 600px;'}) }}
     </div>
 {% endblock %}