chore: move blueprints to custom folder

otherwise it overwrites default blueprints provided by authentik

roles/authentik/templates/docker-compose.yml.j2

@@ -84,7 +84,7 @@ services:
       - {{ authentik_docker_volume_dir }}/data:/data
       - {{ authentik_docker_volume_dir }}/certs:/certs
       - {{ authentik_docker_volume_dir }}/templates:/templates
-      - {{ authentik_docker_volume_dir }}/blueprints:/blueprints/custom
+      - {{ authentik_docker_volume_dir }}/blueprints:/blueprints
     depends_on:
       postgres:
         condition: service_healthy