gh-146444: Don't package as part of iOS 'build hosts' target (#146628)

* Revert Py3.9 compatibility fixes.
* Only build the package on 'build all'.

Russell Keith-Magee committed 5d ago

6420847bdaa945fb13251d3f93968946c0f3444f

Parent: 7b2495e

Committed by GitHub <noreply@github.com> on 3/30/2026, 10:58:57 AM