Build against numpy 2.0rc1

[djhoese]

Numpy 2 API should be stable now. Let's release some wheels with numpy 2.0rc1...

• Closes #xxxx
• Tests added
• Tests passed
• Passes git diff origin/main **/*py | flake8 --diff
• Fully documented

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.01%. Comparing base (72e9757) to head (e2d0ddc).
Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #594   +/-   ##
=======================================
  Coverage   94.01%   94.01%           
=======================================
  Files          92       92           
  Lines       13836    13836           
=======================================
  Hits        13008    13008           
  Misses        828      828           

Flag	Coverage Δ
unittests	94.01% <ø> (ø)

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[coveralls]

coverage: 93.676%. remained the same
when pulling e2d0ddc on djhoese:build-np2rc1
into c2911aa on pytroll:main.