chore(requirements): update django-auth-ldap to 1.2.10

Author: mboersma

rootfs/requirements.txt

@@ -1,7 +1,7 @@
 # Deis controller requirements
 backoff==1.4.0
 Django==1.10.6
-django-auth-ldap==1.2.9
+django-auth-ldap==1.2.10
 django-cors-middleware==1.3.1
 django-guardian==1.4.6
 djangorestframework==3.5.4