Update all, fix broken flutter android compilation

android/app/build.gradle.kts

@@ -1,22 +1,22 @@
 plugins {
-    id "com.android.application"
-    id "kotlin-android"
+    id("com.android.application")
+    id("kotlin-android")
     // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
-    id "dev.flutter.flutter-gradle-plugin"
+    id("dev.flutter.flutter-gradle-plugin")
 }
 
 android {
     namespace = "com.example.sheetless"
     compileSdk = flutter.compileSdkVersion
-    ndkVersion = flutter.ndkVersion
+    ndkVersion = "27.2.12479018"
 
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8
+        jvmTarget = JavaVersion.VERSION_11.toString()
     }
 
     defaultConfig {
@@ -34,7 +34,7 @@ android {
         release {
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig = signingConfigs.debug
+            signingConfig = signingConfigs.getByName("debug")
         }
     }
 }
@@ -42,8 +42,3 @@ android {
 flutter {
     source = "../.."
 }
-
-dependencies {
-    implementation 'com.google.errorprone:error_prone_annotations:2.36.0' // required by flutter_secure_storage
-    implementation 'com.github.spotbugs:spotbugs-annotations:4.8.6' // required by flutter_secure_storage
-}

android/app/src/main/kotlin/com/example/sheetless/MainActivity.kt

@@ -2,4 +2,4 @@ package com.example.sheetless
 
 import io.flutter.embedding.android.FlutterActivity
 
-class MainActivity: FlutterActivity()
+class MainActivity : FlutterActivity()