BUG: fix numpy dev version as their versioning system changed

[bsipocz]

Numpy's versioning has changed in numpy/numpy#24196 causing the repr issues we see in #2811

This PR fixes #2811

[codecov]

Codecov Report

Merging #2814 (65f4394) into main (88dd76d) will increase coverage by 0.14%.
Report is 12 commits behind head on main.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #2814      +/-   ##
==========================================
+ Coverage   66.17%   66.31%   +0.14%     
==========================================
  Files         235      235              
  Lines       18109    18135      +26     
==========================================
+ Hits        11983    12026      +43     
+ Misses       6126     6109      -17     

Files Changed	Coverage Δ
astroquery/conftest.py	81.08% <100.00%> (ø)
astroquery/jplhorizons/core.py	72.55% <100.00%> (+7.05%)	⬆️

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[pllim]

Maybe minversion(np, "2.0.0.dev") is enough? It is uncommon for people to test against older dev wheels (and not sure if they even keep it on server).

[bsipocz]

I was overly pedantic, people may not use old wheels, but I certainly have various 2.0dev versions on my branches, and I really like to have one may dev environment 🤷‍♀️