fix(apple): fix "unknown keywords" during pod install

[tido64]

Description

Fixes "unknown keywords" during pod install:

[!] use_flipper is deprecated, use the flipper_configuration option in the use_react_native function
[!] Invalid `Podfile` file: unknown keywords: :turbomodule_enabled, :rta_flipper_versions, :rta_project_root, :rta_target_platform.
 #  from /Users/runner/work/react-native-test-app/react-native-test-app/example/ios/Podfile:13
 #  -------------------------------------------
 #  
 >  use_test_app! options do |target|
 #    target.tests do
 #  -------------------------------------------

See full build log: https://github.com/microsoft/react-native-test-app/runs/7478804395?check_suite_focus=true

Platforms affected

• Android
• iOS
• macOS
• Windows

Test plan

npm run set-react-version main
yarn
cd example
pod install --project-directory=ios