pin pandas<2

[orbeckst]

Description

• temporary fix for #93
• pin in setup.py, pyproject.yaml, test_env.yaml and requirements.txt

Todos

• [ ] hopefully make tests pass again

Status

• [ ] Ready to go

[IAlibay]

@orbeckst isn't this a duplicate of my own PR?

[orbeckst]

yes, now that I am looking at it but your title wasn't obvious and not linked to #93. I am closing this one and comment on yours.

[orbeckst]

Duplicate of PR #92