authentic2: adapt to depreciation in profile view (#25038)

templates/authentic2/accounts.html

@@ -35,7 +35,7 @@
       {% if allow_email_change %}
       <li><a href="{% url 'email-change' %}">Modifier le courriel associé</a></li>
       {% endif %}
-      {% if allow_password_change %}
+      {% if user.can_change_password %}
         {% if user.has_usable_password %}
         <li><a href="{% url 'password_change' %}">Modifier le mot de passe</a></li>
         {% else %}