update django verstion and libraries

billard/templates/billard/tc_accounting_detail.html

@@ -1,2 +1,2 @@
-{% load static from staticfiles %}
+{% load static %}
 <a href="{% url 'billard:accounting_detail' record.id %}" class="btn btn-outline-danger btn-sm">Abrechnen</a>

billard/templates/billard/tc_location_detail.html

@@ -1,3 +1,3 @@
-{% load static from staticfiles %}
+{% load static %}
 <a href="{% url 'billard:location_detail' record.id %}"
    class="btn btn-outline-primary btn-sm">{{ record.code|default_if_none:"" }}</a>