Write bindings between shapefile API and product-metadata

[jackrosacker]

See #1785

todos

• Write write_shapefile_xml_metadata() or equivalent function (see notes)
• Write effective test (make sure to test a field value, not just presence of metadata)

[codecov]

Codecov Report

❌ Patch coverage is 99.17355% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 74.74%. Comparing base (84a3020) to head (6dd83e4).
⚠️ Report is 13 commits behind head on main.

Files with missing lines	Patch %	Lines
dcpy/utils/geospatial/shapefile.py	92.30%	0 Missing and 1 partial ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
dcpy/lifecycle/package/shapefiles.py	94.64% <100.00%> (+2.14%)	⬆️
dcpy/models/data/shapefile_metadata.py	100.00% <100.00%> (ø)
dcpy/utils/geospatial/shapefile.py	97.75% <92.30%> (+0.05%)	⬆️

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