update gradle

.devcontainer/Dockerfile

@@ -1 +1 @@
-FROM jianboy/flutter-dev-container:2.10.5
+FROM jianboy/flutter-dev-container:3.0.5

.devcontainer/devcontainer.json

@@ -2,7 +2,7 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
 // https://github.com/microsoft/vscode-dev-containers/tree/v0.233.0/containers/java-8
 {
-    "name": "Java 8",
+    "name": "Java 11",
     "build": {
         "dockerfile": "Dockerfile",
         "args": {
@@ -22,7 +22,7 @@
         "java.configuration.runtimes": [
             {
                 "default": true,
-                "name": "JavaSE-1.8",
+                "name": "JavaSE-11",
                 "path": "/usr/local/sdkman/candidates/java/current"
             }
         ]

android/app/build.gradle

@@ -26,7 +26,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -40,7 +40,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "tech.soit.flutter_tetris"
         minSdkVersion 21
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

android/build.gradle

@@ -6,7 +6,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.2.2'
 //        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip

pubspec.yaml

@@ -2,7 +2,7 @@ name: tetris
 description: A new Flutter project.
 version: 1.0.0+1
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: ">=2.17.6 <3.0.0"
 
 dependencies:
   flutter: