Upgrade pandas

[thorbjoernl]

Change Summary

Remove upper bound on pandas version.

Related issue number

fix #1141, #955

Checklist

• Start with a draft-PR
• The PR title is a good summary of the changes
• PR is set to AeroTools and a tentative milestone
• Documentation reflects the changes where applicable
• Tests for the changes exist where applicable
• Tests pass locally
• Tests pass on CI
• At least 1 reviewer is selected
• Make PR ready to review

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.69%. Comparing base (8b17ae0) to head (6d4aea3).
Report is 2 commits behind head on main-dev.

Additional details and impacted files

@@            Coverage Diff            @@
##           main-dev    #1151   +/-   ##
=========================================
  Coverage     78.69%   78.69%           
=========================================
  Files           127      127           
  Lines         20090    20090           
=========================================
  Hits          15810    15810           
  Misses         4280     4280           

Flag	Coverage Δ
unittests	78.69% <ø> (ø)

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[thorbjoernl]

• Tests run on CI, and locally with pytest .
• test_read_aasetal fails when running pytest through vscode.
  • May be a test ordering issue since vscode runs previously failed tests first.

[thorbjoernl]

I think vscode was reporting tests marked as xfail as fail (test_aasetal_data, test_aasetal_data_correct_units, test_reading_routines). Not sure why it was doing that.

It is now properly reporting these tests as xfail, so there should be no issue with merging this PR.

Some of the dependencies (eg. xarray, pandas) should probably have a lower limit, but may want to wait for #1153 for that.