Update djangocms_frontend/templates/djangocms_frontend/admin/base-collapse.html

Co-authored-by: sourcery-ai[bot] <58596630+sourcery-ai[bot]@users.noreply.github.com>

Author: fsbraun

djangocms_frontend/templates/djangocms_frontend/admin/base-collapse.html

@@ -3,7 +3,7 @@
 
 {% block extrahead %}
     <link rel="stylesheet" href="{% static 'djangocms_frontend/css/base.css' %}"/>
-    <meta name="plugin_language" itemprop="{{ plugin.language|default:request.GET.plugin_language }}">
+    <meta name="plugin_language" data-plugin-language="{{ plugin.language|default:request.GET.plugin_language }}">
     {{ block.super }}
 {% endblock %}