libmodulemd-2.12.0
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
Add static_context attribute to StreamV2
Add modulemd-obsoletes