Can we allow customers to provide their own URLSessionConfiguration class

The Android SDK has the following, which simplifies things somewhat: https://github.com/Flagsmith/flagsmith-kotlin-android-client/blob/main/FlagsmithClient/src/main/java/com/flagsmith/FlagsmithCacheConfig.kt

The iOS SDK has similar here: https://github.com/Flagsmith/flagsmith-ios-client/blob/702d5a53b25f8149a03c10d2f9985de2f22df2f2/FlagsmithClient/Classes/Flagsmith.swift#L398

I'm sure these are similar by intention. Is there a way to expose or inject a URLSessionConfiguration class? Specifically the customer was asking to reduce the request timeout from 60s to 1s. 60s does seem excessive.

Maybe if the `URLSessionConfiguration` class injection could be problematic we could expose the request timeout (and anything else that's useful) on both.