Fail to install dependencies with Python 3.13 and 3.12

[rgaiacs]

Bug description

One of the dependency, ruamel-yaml-clib, is not compatible with Python 3.13 and 3.12.

How to reproduce

micromamba create -n py3.13 python=3.13

micromamba activate py3.13

python -m pip install -r requirements.txt

Expected behaviour

Install dependencies with success.

Actual behaviour

        111 | PyAPI_FUNC(int) _PyLong_AsByteArray(PyLongObject* v,
            |                 ^~~~~~~~~~~~~~~~~~~
      _ruamel_yaml.c: In function ‘__Pyx_PyIndex_AsSsize_t’:
      _ruamel_yaml.c:29276:45: error: ‘PyLongObject’ {aka ‘struct _longobject’} has no member named ‘ob_digit’
      29276 |     const digit* digits = ((PyLongObject*)b)->ob_digit;
            |                                             ^~
      error: command '/usr/bin/gcc' failed with exit code 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for ruamel-yaml-clib
Failed to build ruamel-yaml-clib
ERROR: ERROR: Failed to build installable wheels for some pyproject.toml based projects (ruamel-yaml-clib)

[rgaiacs]

• The problem here need to be reported to upstream developers https://sourceforge.net/p/ruamel-yaml-clib.
• The GitHub Actions are using Python 3.10 defined in https://github.com/jupyterhub/mybinder.org-deploy/blob/3428e5497761f9b4d89456af95d6b8160eddb369/.python-version This should be included in the documentation.