feat(playbooks/pretix): allow configuring certificate obtainal method

playbooks/pretix.yml

@@ -21,7 +21,7 @@
     target_dns_server: "{{ dns_server }}"
     target_dns_additional_records: "{{ pretix_dns_records }}"
     target_dns_tsig_key: "{{ dns_tsig_keydata }}"
-    target_gather_facts: "{{ pretix_gather_facts | default(false) }}"
+    target_gather_facts: false
 
 - import_playbook: finallycoffee.databases.valkey
   when: pretix_configure_valkey | default(true)