Your app currently targets API level 29 and must target at least API level 30 to ensure it is built on the latest APIs optimized for security and performance. Change your app's target API level to at least 30

Ionic Framework
1

I was added this code in app.config file after that issue were not gone. Then I was do some changes in build.gradle file : allprojects {
apply from: ‘repositories.gradle’
repositories repos

//This replaces project.properties w.r.t. build settings
project.ext {
  defaultBuildToolsVersion="30" //String
  defaultMinSdkVersion=25 //Integer - Minimum requirement is Android 5.1
  defaultTargetSdkVersion=30 //Integer - We ALWAYS target the latest by default
  defaultCompileSdkVersion=30 //Integer - We ALWAYS compile with the latest by default
}

}

then its show signature not matching in google play console

2 
<preference name="android-targetSdkVersion" value="30" />

add this to config.xml file will help you

3

I added, then APK build in prod mode successfully, But i am updating APK in Google Play Console " You uploaded an APK with an invalid signature (learn more about signing). Error from apksigner: ERROR: MIN_SIG_SCHEME_FOR_TARGET_SDK_NOT_MET: Target SDK version 30 requires a minimum of signature scheme v2; the APK is not signed with this or a later signature scheme" error showing.