Update `swift_module_alias` to propagate the `.swiftinterface` compilation output.
Update `swift_module_alias` to propagate the `.swiftinterface` compilation output.

PiperOrigin-RevId: 379776486
(cherry picked from commit f7885d9c5b0564ef235dcc7f0071e76ed5322821)

bazelbuild/rules_swift,bazelbuild/rules_swift