Add compilation cache in iOS pipeline (#15070)
### Description
<!-- Describe your changes. -->
### Motivation and Context
iOS pipeline duration could be reduced to 20 more minutes from 90 more
minutes
https://dev.azure.com/onnxruntime/onnxruntime/_build/results?buildId=921577&view=results
### Ref
https://ccache.dev/manual/4.8.html#_c_modules
