Flutter: Your project requires a newer version of the Kotlin Gradle plugin

[!] Your project requires a newer version of the Kotlin Gradle plugin.                                                                      
Find the latest version on https://kotlinlang.org/docs/releases.html#release-details, then update 
<project path>\android\build.gradle: 

ext.kotlin_version = '<latest-version>'

This can be fixed in two simple steps:

• Step 1 – Go to https://kotlinlang.org/docs/releases.html#release-details and determine the latest version of Kotlin. In my case, it was 1.9.0.
• Step 2 – Open up your build.gradle file (located at <project path>\android\build.gradle) and right at the top (usually on the second line), you should see something like ext.kotlin_version = '1.6.10'. Update that line to point to the latest Kotlin version. In my case, it would look like this:

buildscript {
    ext.kotlin_version = '1.9.0'
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