Configure StringNormalizer `default_locale` for _APPLE_ system (#17339)
### Description
<!-- Describe your changes. -->
As title.
iOS language code uses different syntax for specifying language
code/region code:
https://developer.apple.com/documentation/xcode/choosing-localization-regions-and-scripts
current `default_locale` is not working for iOS.
### 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. -->
Issue:
https://github.com/microsoft/onnxruntime/issues/17017
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Co-authored-by: rachguo <rachguo@rachguos-Mini.attlocal.net>
Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com>