Add support for postgres-backup-local v15

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/2200

roles/matrix-postgres-backup/defaults/main.yml

@@ -36,7 +36,8 @@ matrix_postgres_backup_docker_image_v11: "{{ matrix_container_global_registry_pr
 matrix_postgres_backup_docker_image_v12: "{{ matrix_container_global_registry_prefix }}prodrigestivill/postgres-backup-local:12-{{ matrix_postgres_backup_docker_image_distro }}-2cf00a5"
 matrix_postgres_backup_docker_image_v13: "{{ matrix_container_global_registry_prefix }}prodrigestivill/postgres-backup-local:13-{{ matrix_postgres_backup_docker_image_distro }}-2cf00a5"
 matrix_postgres_backup_docker_image_v14: "{{ matrix_container_global_registry_prefix }}prodrigestivill/postgres-backup-local:14-{{ matrix_postgres_backup_docker_image_distro }}-2cf00a5"
-matrix_postgres_backup_docker_image_latest: "{{ matrix_postgres_backup_docker_image_v14 }}"
+matrix_postgres_backup_docker_image_v15: "{{ matrix_container_global_registry_prefix }}prodrigestivill/postgres-backup-local:15-{{ matrix_postgres_backup_docker_image_distro }}-2cf00a5"
+matrix_postgres_backup_docker_image_latest: "{{ matrix_postgres_backup_docker_image_v15 }}"
 
 # This variable is assigned at runtime. Overriding its value has no effect.
 matrix_postgres_backup_docker_image_to_use: '{{ matrix_postgres_backup_docker_image_latest }}'