RNGP - Better compatibility with Kotlin 2.1.x (#49977)

Summary:
Pull Request resolved: #49977

See: #48274
This makes our integration with Kotlin 2.1.x easier.

Changelog:
[Android] [Changed] - Better compatibility with Kotlin 2.1.x

Reviewed By: cipolleschi

Differential Revision: D71034044

fbshipit-source-id: 9a26ed28ae4770a5c05a4113f4d86c1b97063db3

Author: cortinico

packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/JdkConfiguratorUtils.kt

@@ -13,7 +13,7 @@ import org.gradle.api.Action
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
 import org.gradle.api.plugins.AppliedPlugin
-import org.jetbrains.kotlin.gradle.dsl.KotlinTopLevelExtension
+import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
 
 internal object JdkConfiguratorUtils {
   /**
@@ -42,10 +42,10 @@ internal object JdkConfiguratorUtils {
       project.pluginManager.withPlugin("com.android.application", action)
       project.pluginManager.withPlugin("com.android.library", action)
       project.pluginManager.withPlugin("org.jetbrains.kotlin.android") {
-        project.extensions.getByType(KotlinTopLevelExtension::class.java).jvmToolchain(17)
+        project.kotlinExtension.jvmToolchain(17)
       }
       project.pluginManager.withPlugin("org.jetbrains.kotlin.jvm") {
-        project.extensions.getByType(KotlinTopLevelExtension::class.java).jvmToolchain(17)
+        project.kotlinExtension.jvmToolchain(17)
       }
     }
   }