Cross compiling to Intel macOS seems fine, but it would be good to cross compile to arm64-apple-darwin as well.
Further reading:
- https://en.wikipedia.org/wiki/Mac_transition_to_Apple_silicon#Timeline.
- It is harder to find native Intel macOS hardware (E.g. GitHub is in the process of dropping it: https://github.blog/changelog/2025-07-11-upcoming-changes-to-macos-hosted-runners-macos-latest-migration-and-xcode-support-policy-updates/#macos-13-is-closing-down)