[dependabot]: Bump the gradle-plugin group across 3 directories with 1 update

Bumps the gradle-plugin group with 1 update in the /packages/interactive_media_ads/android directory: [org.jetbrains.kotlin:kotlin-gradle-plugin](https://github.com/JetBrains/kotlin). Bumps the gradle-plugin group with 1 update in the /packages/shared_preferences/shared_preferences_android/android directory: [org.jetbrains.kotlin:kotlin-gradle-plugin](https://github.com/JetBrains/kotlin). Bumps the gradle-plugin group with 1 update in the /packages/webview_flutter/webview_flutter_android/android directory: [org.jetbrains.kotlin:kotlin-gradle-plugin](https://github.com/JetBrains/kotlin). Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 1.9.10 to 2.1.0 - [Release notes](https://github.com/JetBrains/kotlin/releases) - [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md) - [Commits](JetBrains/kotlin@v1.9.10...v2.1.0) Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 1.7.10 to 2.1.0 - [Release notes](https://github.com/JetBrains/kotlin/releases) - [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md) - [Commits](JetBrains/kotlin@v1.9.10...v2.1.0) Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 1.9.10 to 2.1.0 - [Release notes](https://github.com/JetBrains/kotlin/releases) - [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md) - [Commits](JetBrains/kotlin@v1.9.10...v2.1.0) --- updated-dependencies: - dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin dependency-type: direct:production update-type: version-update:semver-major dependency-group: gradle-plugin - dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin dependency-type: direct:production update-type: version-update:semver-major dependency-group: gradle-plugin - dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin dependency-type: direct:production update-type: version-update:semver-major dependency-group: gradle-plugin ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/interactive_media_ads/android/build.gradle

@@ -2,7 +2,7 @@ group 'dev.flutter.packages.interactive_media_ads'
 version '1.0-SNAPSHOT'
 
 buildscript {
- ext.kotlin_version = '1.9.10'
+ ext.kotlin_version = '2.1.0'
  repositories {
  google()
  mavenCentral()

packages/shared_preferences/shared_preferences_android/android/build.gradle

@@ -2,7 +2,7 @@ group 'io.flutter.plugins.sharedpreferences'
 version '1.0-SNAPSHOT'
 
 buildscript {
- ext.kotlin_version = '1.7.10'
+ ext.kotlin_version = '2.1.0'
  repositories {
  google()
  mavenCentral()

packages/webview_flutter/webview_flutter_android/android/build.gradle

@@ -2,7 +2,7 @@ group 'io.flutter.plugins.webviewflutter'
 version '1.0-SNAPSHOT'
 
 buildscript {
- ext.kotlin_version = '1.9.10'
+ ext.kotlin_version = '2.1.0'
  repositories {
  google()
  mavenCentral()