chore: relax scipy version restriction

[jwhhh]

Description

Relax the SciPy version restriction put on earlier, now that seislib has released a new version and it shouldn't break from SciPy's change after 1.13.

Type of Change

Please indicate the type of change this pull request represents:

• [ ] New Espresso problem or example
• [ ] Espresso core
• [ ] Espresso machine
• [ ] Documentation
• [x] Others (change in testing and documentation environment)