Bump org.jetbrains.kotlin.android in /Compose-Flight-Search-App

Bumps [org.jetbrains.kotlin.android](https://github.com/JetBrains/kotlin) from 1.9.22 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@v1.9.22...v2.0.21)

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

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

Compose-Flight-Search-App/gradle/libs.versions.toml

@@ -10,7 +10,7 @@ hiltAndroid = "2.51.1"
 jetbrainsKotlinJvm = "1.9.22"
 junit = "4.13.2"
 junitVersion = "1.1.5"
-kotlin = "1.9.22"
+kotlin = "2.0.21"
 kotlinCompilerExtensionVersion = "1.5.10"
 kotlinxCoroutinesTest = "1.9.0-RC"
 ksp = "1.9.22-1.0.18"