Fix missing newline at the end of Environment line

https://jinja.palletsprojects.com/en/2.11.x/templates/#whitespace-control
Adding a "+" did not work, so I moved the statement blocks to separate lines.

roles/ansible-pull/templates/ansible-pull.service

@@ -5,7 +5,9 @@ Description=system configuration upgrade
 After=network-online.target
  
 [Service]
-{% if ansible_pull.vault | length > 0 %}Environment=ANSIBLE_VAULT_IDENTITY_LIST={{ ansible_pull.vault|join(',') }}{% endif %}
+{% if ansible_pull.vault | length > 0 %}
+Environment=ANSIBLE_VAULT_IDENTITY_LIST={{ ansible_pull.vault|join(',') }}
+{% endif %}
 ExecStart=/bin/sh -c 'ansible-pull -U "{{ ansible_pull.url }}" -i inventory --diff --checkout "{{ ansible_pull.branch }}"'
 TimeoutStopSec=500
 Type=oneshot