Fix iOS artifacts issue in Microsoft.ML.OnnxRuntime Nuget Package (#19311)
### Description
<!-- Describe your changes. -->
Updates to only include ios archs framework in artifacts included in
Nuget Package.
### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->
Related issue:
https://github.com/microsoft/onnxruntime/issues/19295#issuecomment-1914143256
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Co-authored-by: rachguo <rachguo@rachguos-Mini.attlocal.net>
Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com>