Password: admin123
Hash: $2y$10$RNqHHscezFiVCh3h6ctVKOaFLi17rewIgyXxnOiDGkJtKStyJ5UqW

Copy this hash into your database:
UPDATE admins SET password_hash = '$2y$10$RNqHHscezFiVCh3h6ctVKOaFLi17rewIgyXxnOiDGkJtKStyJ5UqW' WHERE username = 'admin';