Migration to Python 3.12

[jan-janssen]

No description provided.

[jan-janssen]

spglib does not support Python 3.12 yet:

The following package could not be installed
└─ seekpath 2.1.0**  is installable and it requires
   └─ spglib >=1.9.4  with the potential options
      ├─ spglib [1.10.0.2|1.10.1|...|1.9.9.44] would require
      │  └─ python [2.7* |>=2.7,<2.8.0a0 ], which can be installed;
      ├─ spglib [1.10.0.2|1.10.1|...|1.9.9.44] would require
      │  └─ python [3.5* |>=3.5,<3.6.0a0 ], which can be installed;
      ├─ spglib [1.10.0.2|1.10.1|...|1.9.9.44] would require
      │  └─ python 3.6* , which can be installed;
      ├─ spglib [1.10.3.65|1.10.4.1|...|1.16.2] would require
      │  └─ python >=3.6,<3.7.0a0 , which can be installed;
      ├─ spglib [1.10.4.11|1.11.0.post18|...|2.0.1] would require
      │  └─ python >=3.7,<3.8.0a0 , which can be installed;
      ├─ spglib [1.14.1|1.15.0|...|2.1.0] would require
      │  └─ python >=3.8,<3.9.0a0 , which can be installed;
      ├─ spglib [1.16.0|1.16.1|...|2.1.0] would require
      │  └─ python >=3.9,<3.10.0a0 , which can be installed;
      ├─ spglib [1.16.2|1.16.3|...|2.1.0] would require
      │  └─ python >=3.10,<3.11.0a0 , which can be installed;
      ├─ spglib [1.9.8.11|1.9.8.15|1.9.8.20|1.9.9.11|1.9.9.18] would require
      │  └─ python 3.4* , which can be installed;
      └─ spglib [2.0.1|2.0.2|2.1.0] would require
         └─ python >=3.11,<3.12.0a0 , which can be installed.

[jan-janssen]

Waiting for conda-forge/spglib-feedstock#103

[jan-janssen]

Superseded by #178