fix: various ansible-lint failures (jinja2 spacing, yaml octal values)

playbooks/docker_registry.yml

@@ -13,4 +13,4 @@
       loop: "{{ docker_registries | default([], true) }}"
       loop_control:
         loop_var: "docker_registry"
-        label: "{{ docker_registry.username}}@{{ docker_registry.registry }}"
+        label: "{{ docker_registry.username }}@{{ docker_registry.registry }}"

playbooks/lego_certificate.yml

@@ -6,7 +6,7 @@
   pre_tasks:
     - name: Build target dns records
       ansible.builtin.set_fact:
-        target_dns_records: "{{ target_dns_records + [ _dns_record ] }}"
+        target_dns_records: "{{ target_dns_records + [_dns_record] }}"
       vars:
         _dns_record:
           type: "CNAME"