Unpin h5py and require fixed h5netcdf version.

[mikapfl]

Pull request

Please confirm that this pull request has done the following:

• Tests added
• Documentation added (where applicable)
• Description in CHANGELOG.rst added

Description

h5py was pinned due to API changes in Version 3, but this was fixed in xarray at pydata/xarray#4893 , so we can now unpin h5py but have to use a newer h5netcdf.

[codecov]

Codecov Report

Merging #22 (6361a4f) into main (5308bad) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #22   +/-   ##
=======================================
  Coverage   99.45%   99.45%           
=======================================
  Files          21       21           
  Lines        1292     1292           
=======================================
  Hits         1285     1285           
  Misses          7        7           

Impacted Files	Coverage Δ
primap2/_data_format.py	98.80% <ø> (ø)
primap2/_setters.py	100.00% <ø> (ø)

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