hakurei 0.4.4

Fixes:
- Load runtime dependencies for alternative go toolchain bootstrap path.
- Correctly scrub substitute status in `internal/pkg`.
- Populate opts of cloned S in `internal/rosa`.
- Check for unclean shutdown in `internal/pkg`.
- Remove external toolchain reference in `internal/rosa`.
- Register binfmt entry for shell in `cmd/mbf`.

Enhancements:
- Streaming archive reader/writer in `internal/pkg`.
- Stream decompress artifact in `internal/pkg`.
- Remove tar built-in decompressor in `internal/pkg`.
- Do not hold up cures during status link in `internal/pkg`.
- Optionally replace outcomes from external cache in `internal/pkg`.
- Mirror service via external cache in `internal/rosa`.
- Optionally load from custom azalea path in `cmd/mbf`.
- Move emulated targets to `internal/rosa`.
- Remove parent check in `cmd/hsu`.
- Support ephemeral overlay mounts in `hst`.
- Optionally cover /run/ early in `hst`.

Internal:
- IR-curable source override in `internal/rosa`.
- Report errors exiting cure in `internal/pkg`.
- Destroy new substitution status on fault in `internal/pkg`.
- Migrate distribution artifacts to azalea.
- Resolve runtimes for overlay extras in `internal/rosa`.
- Kobject uevent processing loop in `internal/kobject`.
- Basic error reporting in `internal/report`.
- Use DESTDIR instead of --prefix for cmake installation in
  `internal/rosa`.
- Load device drivers in `cmd/earlyinit`.
- Annotate blocked updates in `internal/rosa`.
- Garbage collection in `internal/pkg`.
- Export etc native artifact in `internal/rosa`.
- Experimental application container tooling `cmd/app`.
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