Fix tag order in email template for change notifications

CHANGELOG.rst

@@ -13,6 +13,7 @@ Fixed
 ~~~~~
 
 * Inviting newly created persons for registration failed
+* Notification email about user changes was broken
 
 `2.7.3`_ - 2022-02-03
 ---------------------

aleksis/core/templates/templated_email/person_changed.email

-{% load i18n %}
 {% extends "templated_email/base.email" %}
+{% load i18n %}
+
 {% block subject_content %}{% blocktrans with person=person %}{{ person }} changed their data!{% endblocktrans %}{% endblock %}
 
 {% block plain_content %}