Improve task key order

tasks/main.yml

@@ -108,6 +108,7 @@
   when: gitlab_use_borgbackup
 
 - name: Install postgres client binaries
+  when: gitlab_external_postgres
   block:
     - name: PostgreSQL | Make sure the CA certificates are available
       ansible.builtin.apt:
@@ -148,7 +149,6 @@
       with_items:
         - pg_dump
         - psql
-  when: gitlab_external_postgres
 
 - name: Copy registry cleanup service
   ansible.builtin.copy: