fix(litellm): use become_user postgres for db provisioning

roles/vhosts/litellm/tasks/provision-database.yml

@@ -16,10 +16,8 @@
   community.postgresql.postgresql_db:
     name: "{{ litellm_database_name }}"
     state: present
-    login_host: "127.0.0.1"
-    login_port: "5432"
-    login_user: "{{ litellm_database_admin_user }}"
-    login_password: "{{ litellm_database_admin_password }}"
+  become: true
+  become_user: postgres
   register: litellm_db_result
   when: litellm_database_host | trim | length > 0
 
@@ -28,20 +26,16 @@
     name: "{{ litellm_database_user }}"
     password: "{{ litellm_database_password }}"
     db: "{{ litellm_database_name }}"
-    login_host: "127.0.0.1"
-    login_port: "5432"
-    login_user: "{{ litellm_database_admin_user }}"
-    login_password: "{{ litellm_database_admin_password }}"
     priv: "{{ litellm_database_name }}/ALL"
     role_attr_flags: LOGIN,NOSUPERUSER
     state: present
+  become: true
+  become_user: postgres
   when: litellm_database_host | trim | length > 0
 
 - name: Apply schema.sql to litellm database (idempotent via IF NOT EXISTS)
   ansible.builtin.shell: |
-    psql -h 127.0.0.1 \
-         -p 5432 \
-         -U {{ litellm_database_user }} \
+    psql -U {{ litellm_database_user }} \
          -d {{ litellm_database_name }} \
          -f {{ litellm_config_dir }}/schema.sql 2>&1
   args: