Add hashivault option as docker-compose optional container (#14161)

Co-authored-by: Sarabraj Singh <singh.sarabraj@gmail.com>

tools/docker-compose/ansible/roles/sources/tasks/main.yml

@@ -101,6 +101,10 @@
   include_tasks: ldap.yml
   when: enable_ldap | bool
 
+- name: Include Vault tasks if enabled
+  include_tasks: vault.yaml
+  when: enable_vault | bool
+
 - name: Render Docker-Compose
   template:
     src: docker-compose.yml.j2