chore(deps): bump org.jetbrains.kotlin.android in /example/android

Bumps [org.jetbrains.kotlin.android](https://github.com/JetBrains/kotlin) from 2.1.0 to 2.2.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.0...v2.2.21)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin.android
  dependency-version: 2.2.21
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

example/android/settings.gradle

@@ -33,7 +33,7 @@ pluginManagement {
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
     id "com.android.application" version '8.8.1' apply false
-    id "org.jetbrains.kotlin.android" version "2.1.0" apply false
+    id "org.jetbrains.kotlin.android" version "2.2.21" apply false
     id "com.google.android.libraries.mapsplatform.secrets-gradle-plugin" version "2.0.1" apply false
 }