Flutter，Your project requires a newer version of the Kotlin Gradle plugin

到Kotlinglang.org网站，吧kotlin的最新版本填写到projectname/andorid/build.gradle里面即可解决。

buildscript {
    ext.kotlin_version = ‘1.6.20’
    repositories {
        google()
        mavenCentral()
    }

┌─ Flutter Fix ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ [!] Your project requires a newer version of the Kotlin Gradle plugin.                                                                                           │
│ Find the latest version on https://kotlinlang.org/docs/gradle.html#plugin-and-versions, then update D:/LaptopBackup/Project/Flutter/e_shop/android/build.gradle: │
│ ext.kotlin_version = ‘<latest-version>’                                                                                                                          │
└──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Gradle task assembleRelease failed with exit code 1

https://kotlinlang.org/docs/gradle.html#plugin-and-versions

plugins {
  kotlin("<...>") version "1.6.20"
}