libmodulemd-2.13.0
Reformat python code with black
Add tests for new ModulemdBuildopts arches attribute
Code auto-formatting
Rename YAML specs and move them to a common location
Correct some typographical errors.
Revise tests for easier debugging
Add modulemd-obsoletes to modulemd-module
Enable component 'buildorder' for modulemd-packager v2 and v3 documents
Python support requires GIR support
Add modulemd-obsoletes