chore(deps): bump kotlin from 2.1.10 to 2.1.20

Bumps `kotlin` from 2.1.10 to 2.1.20.

Updates `org.jetbrains.kotlin.android` from 2.1.10 to 2.1.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v2.1.10...v2.1.20)

Updates `org.jetbrains.kotlin.plugin.serialization` from 2.1.10 to 2.1.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v2.1.10...v2.1.20)

Updates `org.jetbrains.kotlin.plugin.compose` from 2.1.10 to 2.1.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v2.1.10...v2.1.20)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin.android
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.plugin.serialization
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.plugin.compose
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -21,7 +21,7 @@ roomVersion = "2.6.1"
 timber = "5.0.1"
 tunnel = "1.2.7"
 androidGradlePlugin = "8.8.0-alpha05"
-kotlin = "2.1.10"
+kotlin = "2.1.20"
 ksp = "2.1.10-1.0.31"
 composeBom = "2025.03.00"
 compose = "1.7.8"