[Unity]WARNING:We recommend using a newer Android Gradle plugin to use compileSdk = 34

maven {
    // url (unityProjectPath + "/Packages/com.google.play.games/Editor/m2repository") // Assets/GooglePlayGames/com.google.play.games/Editor/GooglePlayGamesPluginDependencies.xml:11
    url (unityProjectPath + "/Assets/GooglePlayGames/com.google.play.games/Editor/m2repository") // Assets/GooglePlayGames/com.google.play.games/Editor/GooglePlayGamesPluginDependencies.xml:11
}

 

기존 코드(주석 처리된 부분)를 새 코드(주석처리된 코드 아래 코드)로 바꿔주세요

 

 

 

출처: 

https://discussions.unity.com/t/we-recommend-using-a-newer-android-gradle-plugin-to-use-compilesdk-34-how-to-solve/1506507/13