fix: Add task to restart services on plugin install

ansible/roles/pretix/tasks/setup.yaml

@@ -15,6 +15,7 @@
       - legacy_cgi
       - pretix-passbook
     extra_args: --user
+  register: dependencies
 - name: Create config file
   ansible.builtin.template:
     src: pretix.cfg.j2
@@ -58,4 +59,8 @@
 - name: Update service config
   ansible.builtin.command:
     cmd: supervisorctl update
-  when: pretix_service.changed
+  when: pretix_service.changed
+- name: Restart services
+  ansible.builtin.command:
+    cmd: supervisorctl restart pretix pretix_worker
+  when: dependencies.changed && !pretix_service.changed