Updated xmlschema to version 3.0.2

[SebaLukas]

Describe your changes

There seems to be a problem with the Python package xmlschema version 1.11.3 and Python 3.12. So updating xmlschema to 3.0.2 in requirements.txt solve the problem.

Issue ticket number and link

59 Update xmlschema to the latest version to support Python 3.12

Checklist before requesting a review

• [x] I have performed a self-review of my code
• [x] I have made corresponding changes to the documentation
• [x] I read the contribution documentation and made sure that my changes meet its requirements