Add bucket_min and bucket_max functions, once the pyresample PR is merged.

• [x] Tests added

Codecov Report

Merging #1687 (e298e73) into main (88938ab) will increase coverage by 0.02%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1687      +/-   ##
==========================================
+ Coverage   92.32%   92.34%   +0.02%     
==========================================
  Files         258      258              
  Lines       38123    38241     +118     
==========================================
+ Hits        35196    35314     +118     
  Misses       2927     2927              

Flag	Coverage Δ
behaviourtests	4.84% <3.38%> (-0.01%)	:arrow_down:
unittests	92.88% <100.00%> (+0.02%)	:arrow_up:

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Impacted Files	Coverage Δ
satpy/resample.py	80.96% <100.00%> (+0.72%)	:arrow_up:
satpy/tests/test_resample.py	90.71% <100.00%> (+1.44%)	:arrow_up:

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Coverage increased (+0.02%) to 92.834% when pulling e298e733069d959d762bfeffe3d7575abc092ba1 on zxdawn:satpy_bucket into 88938ab8e0eb2b2f6ae89665733b7e2281720fce on pytroll:main.

@zxdawn What is the status of this PR? Anything left to do? It seems codebeat is worried about a couple of issues.