chore(deps): bump kotlin_version

Bumps `kotlin_version` from 1.9.10 to 2.0.21.

Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 1.9.10 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.10...v2.0.21)

Updates `org.jetbrains.kotlin:kotlin-stdlib-jdk7` from 1.9.10 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.10...v2.0.21)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib-jdk7
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/analytics/amplify_analytics_pinpoint/android/build.gradle

@@ -2,7 +2,7 @@ group 'com.amazonaws.amplify.amplify_analytics_pinpoint'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.9.10'
+    ext.kotlin_version = '2.0.21'
     repositories {
         google()
         mavenCentral()