Upgrade ci to 3.13

[mraspaud]

This PR adds support for python 3.13. This was triggered by the rebuild of pyresample for 3.13 in conda forge.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.95%. Comparing base (4dd2948) to head (8faf3d3).
Report is 12 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #633      +/-   ##
==========================================
- Coverage   93.96%   93.95%   -0.02%     
==========================================
  Files          86       86              
  Lines       13538    13538              
==========================================
- Hits        12721    12719       -2     
- Misses        817      819       +2     

Flag	Coverage Δ
unittests	93.95% <ø> (-0.02%)	⬇️

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[coveralls]

coverage: 93.645% (-0.02%) from 93.66%
when pulling 8faf3d3 on mraspaud:support-3.13
into ddc03ec on pytroll:main.

[mraspaud]

ok so mypy is failing with

pyresample/_compat.py:31: error: Incompatible import of "ArrayLike" (imported name has type "type[ndarray[Any, Any]]", local name has type "UnionType[Buffer, _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | bool | int | float | complex | str | bytes | _NestedSequence[bool | int | float | complex | str | bytes]]")  [assignment]
pyresample/utils/__init__.py:22: error: Module "collections" does not explicitly export attribute "Mapping"  [attr-defined]

anyone knows what this is about?

[djhoese]

I think I've misused the type ArrayLike in places. I always used it in a "we expect numpy or dask arrays" kind of way, but it is really meant for "we're going to take whatever you give us and make it a numpy array". The pyresample/_compat.py module I think has workarounds for older versions of numpy to reassign ArrayLike = np.ndarray. This shouldn't be needed as I think our minimum version for numpy includes the numpy.typing sub-package. So...I'd say remove pyresample/_compat.py's stuff about DtypeLike and ArrayLike and see if mypy still complains. If this is too much work let me know.

For the second error, change the import to from collections.abc import Mapping and I think that should work. We may have to drop Python 3.9 support if we haven't already.