Support serialization of supplemental attributes

[daniel-thom]

No description provided.

[codecov]

Codecov Report

Attention: 16 lines in your changes are missing coverage. Please review.

Comparison is base (c6b7f1b) 78.14% compared to head (8147d65) 78.37%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #320      +/-   ##
==========================================
+ Coverage   78.14%   78.37%   +0.23%     
==========================================
  Files          49       51       +2     
  Lines        3994     4083      +89     
==========================================
+ Hits         3121     3200      +79     
- Misses        873      883      +10     

Flag	Coverage Δ
unittests	78.37% <84.00%> (+0.23%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
src/InfrastructureSystems.jl	80.00% <ø> (ø)
src/component.jl	95.97% <100.00%> (ø)
src/geographic_supplemental_attribute.jl	87.50% <100.00%> (ø)
src/utils/test.jl	65.95% <100.00%> (+4.05%)	⬆️
src/utils/utils.jl	62.69% <100.00%> (+0.14%)	⬆️
src/supplemental_attributes.jl	82.65% <93.75%> (+4.60%)	⬆️
src/system_data.jl	88.94% <93.33%> (+0.14%)	⬆️
src/serialization.jl	60.62% <66.66%> (+2.56%)	⬆️
src/supplemental_attributes_container.jl	85.71% <85.71%> (ø)
src/component_uuids.jl	63.63% <63.63%> (ø)