[CAS] Install deps

roles/django-cas/tasks/main.yml

@@ -2,7 +2,12 @@
 - name: Install APT dependencies
   apt:
     update_cache: true
-    name: python3-django-cas-server
+    name:
+      - nginx
+      - uwsgi
+      - uwsgi-plugin-python3
+      - python3-django
+      - python3-django-cas-server
   register: apt_result
   retries: 3
   until: apt_result is succeeded