v1.2.0 of flutter_beep_new

Play system beeps and tones on Android and iOS without bundling sound files. Lightweight fork of flutter_beep with modern Gradle, Kotlin, and Swift Package Manager support. Changelog excerpt: - Migrated Android plugin to Kotlin with Gradle Kotlin DSL and built-in Kotlin (Flutter 3.44+) - Added Swift Package Manager support for iOS alongside CocoaPods - Minimum Flutter version: 3.44.0 - Minimum Dart SDK: 3.12.0