Update release - 0rc4

[flicj191]

Update release candidate and changelog to rc4,
Added the following to the release branch v2.15.x:

4d73190 Fix dask progress logging (#3154)
0a9c301 Ensure that input arrays to scipy.interpolate.interp1d functions are C-contiguous (#3151)
35bb400 Drop valid_range correction from AIRS-2-0 fix (#3153)
0ac0cdf Add CORDEX domain target grids for regridding (#3096)
90d1fa9 Fix CORDEX ALADIN53 tas coordinates (#3110)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.16%. Comparing base (db1cf37) to head (741ef63).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3156   +/-   ##
=======================================
  Coverage   96.16%   96.16%           
=======================================
  Files         273      273           
  Lines       16196    16196           
=======================================
  Hits        15575    15575           
  Misses        621      621           

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