build: Update flutter sdk and ndk

android/app/build.gradle.kts

@@ -35,7 +35,7 @@ configurations.all {
 android {
     namespace = "chat.fluffy.fluffychat"
     compileSdk = flutter.compileSdkVersion
-    ndkVersion = "27.0.12077973"
+    ndkVersion = flutter.ndkVersion
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
@@ -70,7 +70,7 @@ android {
 
     defaultConfig {
         applicationId = "chat.fluffy.fluffychat"
-        minSdk = 21
+        minSdk = flutter.minSdkVersion
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName

pubspec.lock

@@ -2237,4 +2237,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.8.0 <4.0.0"
-  flutter: ">=3.29.0"
+  flutter: ">=3.32.0"