maybe pinning of libexpat is needed

### Solution to issue cannot be found in the documentation.

- [X] I checked the documentation.

### Issue

We recognized that we had to downgrade expat with python 3.11.8 to 2.6.1.

Please have a look on that topic https://github.com/python/cpython/issues/115398

https://github.com/Open-MSS/MSS/issues/2489

### Installed packages

```shell
Here already the downgrade was done

:~$ mamba repoquery whoneeds libexpat

Executing the query libexpat

Name Version Build Depends Channel Subdir
──────────────────────────────────────────────────────────────────────────────────────────────
expat 2.6.1 h59595ed_0 libexpat 2.6.1 h59595ed_0 conda-forge linux-64
git 2.44.0 pl5321h709897a_0 conda-forge linux-64
gst-plugins-base 1.22.9 h8e1006c_0 conda-forge linux-64
python 3.11.8 hab00c5b_0_cpython conda-forge linux-64
qt-main 5.15.8 h5810be5_19 conda-forge linux-64
qt-webengine 5.15.8 h7517aa4_5 conda-forge linux-64
```

### Environment info

```shell
TBD
```