add min xarray pin on run and numpy py ver linters

[ocefpaf]

@dcherian feel free to close this b/c it may not fit your ideas. I thought it was odd that a min pin is necessary to build cf_xarray but not to run. That can lead to slower solves and, if there is a xarray>=2022.03.0 feature necessary at run time, one can create a broken environment the way it is.

I also bumped the linters to use the min support Python version. However, I'm pretty sure ruff reads requires-python if you omit those, reducing the amount of things to remember to edit at every version bump.

[codecov]

Codecov Report

Attention: Patch coverage is 61.11111% with 7 lines in your changes missing coverage. Please review.

Project coverage is 85.73%. Comparing base (a9cebee) to head (b33a47f).
Report is 39 commits behind head on main.

Files with missing lines	Patch %	Lines
cf_xarray/coding.py	20.00%	4 Missing ⚠️
cf_xarray/accessor.py	66.66%	2 Missing ⚠️
cf_xarray/sgrid.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #536      +/-   ##
==========================================
- Coverage   85.78%   85.73%   -0.06%     
==========================================
  Files          13       13              
  Lines        2364     2621     +257     
  Branches      183      238      +55     
==========================================
+ Hits         2028     2247     +219     
- Misses        303      334      +31     
- Partials       33       40       +7     

Flag	Coverage Δ
mypy	41.36% <23.52%> (+2.82%)	⬆️
unittests	93.49% <90.90%> (-0.50%)	⬇️

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[dcherian]

Thanks Filipe, sorry for the trouble :/

[ocefpaf]

Thanks Filipe, sorry for the trouble :/

You mean the trouble of having a great package that handles all the CF metadata for me? Please trouble me like that, all the time ;-p

[dcherian]

I've had a rough week on conda-forge hehe

conda-forge/flox-feedstock#65

[ocefpaf]

I've had a rough week on conda-forge hehe

conda-forge/flox-feedstock#65

I'll take care of that as soon as I arrive home. Traveling back from the USA today. It should be easy.