chore(deps): bump org.jetbrains.kotlin.android from 1.7.10 to 1.9.21

Bumps [org.jetbrains.kotlin.android](https://github.com/JetBrains/kotlin) from 1.7.10 to 1.9.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.7.10...v1.9.21)

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

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

build.gradle

@@ -6,7 +6,7 @@ buildscript {
 plugins {
     id 'com.android.application' version '8.0.2' apply false
     id 'com.android.library' version '8.0.2' apply false
-    id 'org.jetbrains.kotlin.android' version '1.7.10' apply false
+    id 'org.jetbrains.kotlin.android' version '1.9.21' apply false
 }
 
 task clean(type: Delete) {