Change language from Reject to Deny

templates/mail/organisation-approval-denied.html.twig

@@ -0,0 +1,16 @@
+{% block subject %}
+    {{site.title}} - organisation registration denied
+{% endblock %}
+
+{% block body %}
+<p>
+    Dear {{recipient.first_name}},
+</p>
+<p>
+    The organisation registration request you submitted at {{site.title}} ({{site.uri.public}}) has been denied.
+</p>
+<p>
+    With regards,<br>
+    The {{site.title}} Team
+</p>
+{% endblock %}