failed while flutter run --release

* What went wrong:
Execution failed for task ':flutter_webview_plugin:verifyReleaseResources'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
> 1 exception was raised by workers:
com.android.builder.internal.aapt.v2.Aapt2Exception: Android resource linking failed
C:\Users\dimasta\.gradle\caches\transforms-2\files-2.1\2cfc6de18491d78868ffdd6cc499684d\core-1.1.0\res\values\values.xml:142:5-173:25: AAPT: error: resource android:attr
/fontVariationSettings not found.

my android/build.gradle
```
buildscript {
repositories {
google()
jcenter()
}

dependencies {
classpath "com.android.tools.build:gradle:4.0.2"
}
}

allprojects {
repositories {
google()
jcenter()
}
}

rootProject.buildDir = '../build'
subprojects {
project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
project.evaluationDependsOn(':app')
}

task clean(type: Delete) {
delete rootProject.buildDir
}
```

local.properties
```
sdk.dir=C:\\Users\\dimasta\\AppData\\Local\\Android\\sdk
flutter.sdk=D:\\flutter
flutter.buildMode=release
flutter.versionName=1.0.0
flutter.versionCode=1
org.gradle.jvmargs=-Xmx4608m
```

android/app/build.gradle
```
def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
localPropertiesFile.withReader('UTF-8') { reader ->
localProperties.load(reader)
}
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath "com.android.tools.build:gradle:4.0.2"
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.10"
}
}

allprojects {
repositories {
google()
jcenter()
}
}

android {
compileSdkVersion 30

lintOptions {
disable 'InvalidPackage'
checkReleaseBuilds false
}

sourceSets {
main.java.srcDirs += 'src/main/kotlin'
}

lintOptions {
disable 'InvalidPackage'
}

defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId "com.example.finance_app"
minSdkVersion 19
targetSdkVersion 30
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
}

buildTypes {
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
}
}
}

flutter {
source '../..'
}
```