fix: use english label for 'credit'

cash/templates/cash/base.html

@@ -105,7 +105,7 @@
 												<dd>{{ user.first_name }} {{ user.last_name }}</dd>
 												<dt>{% trans "E-Mail address:" %}</dt>
 												<dd>{{ user.email }}</dd>
-												<dt>{% trans "Guthaben:" %}</dt>
+												<dt>{% trans "Credit:" %}</dt>
 												<dd {% if user.account.credit < 0 %} style="color: red"{% endif %}>{{ user.account.credit|floatformat:2 }}€</dd>
 											</dl>
 										</div>