6.17.5

Merge releases/6.x.x/6.17.x/6.17.5-RC1 into main (#177)

* fix: add missing isSDKStarted / isSDKStopped support & align samples

- iOS – implemented both methods in AppsFlyerPlugin.swift and registered in .m
- Android – renamed JSON key to isStopped for parity with iOS/TS
- TS – added AFIsStarted/AFIsStopped interfaces and method defs in definitions.ts
- Sample app – new “Check SDK State” button to call the APIs and show alert

* debug logs cleanup

* Dev/delivery 99931/update plugin (#173)

* Implementation of the new beta api and version bumps

* minor change after testing

* fix ios impl and response type

* move validateAndLogInAppPurchaseV2 to next release

* 6.17.5

* CHANGELOG

* CHANGELOG

* plugin version

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Co-authored-by: Dani-Koza-AF <dani.ko@appsflyer.com>

* test app

* test app

* update versions using CI

* Update Plugin Version

* Update CHANGELOG.md

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