fix(deps): update kotlin monorepo to v2.1.0-rc2

example/android/app/build.gradle

@@ -112,5 +112,5 @@ flutter {
 }
 
 dependencies {
-    implementation platform("org.jetbrains.kotlin:kotlin-bom:2.0.0")
+    implementation platform("org.jetbrains.kotlin:kotlin-bom:2.1.0-RC2")
 }

example/android/settings.gradle

@@ -41,7 +41,7 @@ pluginManagement {
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
     id "com.android.application" version "8.4.2" apply false
-    id "org.jetbrains.kotlin.android" version "2.0.0" apply false
+    id "org.jetbrains.kotlin.android" version "2.1.0-RC2" apply false
 }
 
 include ":app"

pubspec.yaml

@@ -27,7 +27,7 @@ dependencies:
 dev_dependencies:
   build_runner: ^2.4.11
   flutter_lints: any
-  ffigen: ^16.0.0
+  ffigen: ^14.0.0
   freezed: any
   json_serializable: any