Update old spglib version

Author: jan-janssen

.ci_support/environment-old.yml

@@ -12,7 +12,7 @@ dependencies:
 - pyscal3 =3.2.5
 - scikit-learn =1.2.1
 - scipy =1.15.0
-- spglib =1.16.5
+- spglib =2.7.0
 - sqsgenerator =0.2
 - hatchling =1.27.0
 - hatch-vcs =0.4.0