- Update to 2.15.0
+ Add support for decompressing Zstandard-compressed YAML files
+ Remove a dependency on "file" library (libmagic)
+ Add a XML specification for in-YUM-repository metadata
+ Deprecate intents in modulemd-defaults specification
+ Fix a crash when converting a modulemd-packager object with a default
profile and without a module name or stream to a module index
+ Fix parsing empty profiles
+ A specification for modulemd-v2 format was corrected to require a "content"
license subtree only if the module build contains artifacts.
+ Double-quote strings in scalar YAML values when they look like a number
+ Warnings from g_str_equal() macro of glib2 about passing an unsigned
char * to strcmp() were fixed