feat: Add support for using pathlib.Path filenames

[lewisjared]

Supported for reading and writing from CSV and netCDF

Pull request

Please confirm that this pull request has done the following:

• Tests added
• Documentation added (where applicable)
• Example added (either to an existing notebook or as a new notebook, where applicable)
• Description in CHANGELOG.rst added

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[codecov]

Codecov Report

Patch coverage: 95.83% and project coverage change: -0.03 ⚠️

Comparison is base (753e83f) 95.77% compared to head (d22f4cb) 95.74%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #238      +/-   ##
==========================================
- Coverage   95.77%   95.74%   -0.03%     
==========================================
  Files          23       24       +1     
  Lines        2108     2117       +9     
  Branches      395      391       -4     
==========================================
+ Hits         2019     2027       +8     
- Misses         71       72       +1     
  Partials       18       18              

Impacted Files	Coverage Δ
src/scmdata/netcdf.py	98.11% <87.50%> (-1.89%)	⬇️
src/scmdata/_typing.py	100.00% <100.00%> (ø)
src/scmdata/run.py	96.14% <100.00%> (+0.12%)	⬆️

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[znicholls]

lgtm, couple of things to try re type hints, might be a deep rabbit hole though so let's just make issues if we want to guarantee that this won't become a massive time sink

[znicholls]

lgtm, couple of things to try re type hints, might be a deep rabbit hole though so let's just make issues if we want to guarantee that this won't become a massive time sink