Replace ReactiveUI.Fody with ReactiveUI.SourceGenerators, migrate reactive properties, and remove Fody weaver configuration.
Move SQLite from SQLitePCLRaw.bundle_green to SQLitePCLRaw 3.x using config.e_sqlite3 and SourceGear.sqlite3 with explicit initialization.
Update related package versions, set invariant xUnit culture, and refresh RHEL RISC-V packaging versions.