fix: Enable build against geoarrow-c 0.2

[paleolimbot]

A future version of geoarrow-pyarrow will probably further reduce the dependency on geoarrow-c and/or mandate >- 0.2; however, for the time being this makes it easier for all the CI to hum happily along.

[codecov]

Codecov Report

Attention: Patch coverage is 80.76923% with 15 lines in your changes missing coverage. Please review.

Project coverage is 91.28%. Comparing base (9d591c1) to head (5487da6).

Files with missing lines	Patch %	Lines
geoarrow-pyarrow/src/geoarrow/pyarrow/_scalar.py	68.57%	11 Missing ⚠️
geoarrow-pyarrow/src/geoarrow/pyarrow/_kernel.py	89.28%	3 Missing ⚠️
geoarrow-pandas/src/geoarrow/pandas/lib.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #64      +/-   ##
==========================================
- Coverage   91.37%   91.28%   -0.10%     
==========================================
  Files          15       15              
  Lines        2168     2179      +11     
==========================================
+ Hits         1981     1989       +8     
- Misses        187      190       +3     

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