Target semaphore-ansible vault for op item get/create

The Semaphore service account only has access to the semaphore-ansible
vault. Automation was inaccessible so every op call failed.

playbooks/n8n.yml

@@ -20,7 +20,7 @@
     # 🔎 Check if 1Password item exists
     - name: Check if 1Password item exists
       shell: |
-        op item get "{{ stack_name }}" --vault="Automation"
+        op item get "{{ stack_name }}" --vault="semaphore-ansible"
       register: op_check
       failed_when: false
       changed_when: false
@@ -36,7 +36,7 @@
     - name: Load secrets from 1Password
       when: op_check.rc == 0
       shell: |
-        op item get "{{ stack_name }}" --vault="Automation" --format json
+        op item get "{{ stack_name }}" --vault="semaphore-ansible" --format json
       register: op_item
       check_mode: no
       delegate_to: localhost
@@ -77,7 +77,7 @@
         op item create \
           --category="Server" \
           --title="{{ stack_name }}" \
-          --vault="Automation" \
+          --vault="semaphore-ansible" \
           "url=https://{{ n8n_url }}" \
           "username={{ n8n_editor_email }}" \
           "password={{ n8n_editor_password }}" \