[ios] upgrade amazon-cognito-identity-js native module (#14416)

# Why

upgrade modules for sdk 43 release
close [ENG-1890](https://linear.app/expo/issue/ENG-1890/upgrade-amazon-cognito-identity-j

[ios] upgrade amazon-cognito-identity-js native module (#14416)

# Why

upgrade modules for sdk 43 release
close [ENG-1890](https://linear.app/expo/issue/ENG-1890/upgrade-amazon-cognito-identity-js)

# How

- `et update-vendored-module -m amazon-cognito-identity-js -c [email protected]`
- update JKBigInteger which amazon-cognito-identity-js has local fork. fortunately, the upstream have the change just not published to cocoapods repository. i added a local podspec in `ios/vendored/common/JKBigInteger.podspec.json`.

# Test Plan

expo go ios build passed (both unversioned and versioned)

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