[docs] Update expo-ios.diff (#15625)
[docs] Update expo-ios.diff (#15625)

after #15138 is merged, diff needs to be updated so that the docs show the correct manual installation steps.
exponentjs/exponent,exponent/exponent,exponent/exponent,exponent/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponent/exponent,exponent/exponent,exponentjs/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent