numpy <2.0.0

[thorbjoernl]

Change Summary

Numpy has recently released version 2.0.0 which breaks pyaerocom (see #1206 ). This PR introduces an upper limit of numpy.

Related issue number

#1206

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 79.31%. Comparing base (9f4b8dc) to head (fb618f9).
Report is 486 commits behind head on main-dev.

Additional details and impacted files

@@            Coverage Diff            @@
##           main-dev    #1207   +/-   ##
=========================================
  Coverage     79.31%   79.31%           
=========================================
  Files           131      131           
  Lines         20231    20231           
=========================================
  Hits          16046    16046           
  Misses         4185     4185           

Flag	Coverage Δ
unittests	79.31% <ø> (ø)

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[lewisblake]

Approved. This is a temporary solution until iris releases a version which is compatible with numpy.