hakurei 0.4.5

Fixes:
- Fix ephemeral overlay order in `hst`.
- Build `cmd/hsu` separately in `cmd/dist`.
- Attempt `nscd` path-hiding if present in `internal/outcome`.

Enhancements:
- Optionally disable file placement in `hst`.
- Exempt pipeline intermediates from cures counter in `internal/pkg`.
- Read overridden version string from source in `internal/rosa`.

Internal:
- Common configuration file in `cmd/app`.
- Multiple template uppers in `cmd/app`.
- Include template name in container metadata in `cmd/app`.
- Optionally override configured command in `cmd/app`.
- Pass through user-supplied arguments in `cmd/app`.
- Expose additional configuration in `cmd/app`.
- Remove hardcoded sysfs bind mounts in `cmd/app`.
- Optional interactive shell in `cmd/app`.
- Enforce mutable instance exclusion in `cmd/app`.
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