Update kotlin monorepo to v2

Author: renovate[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ android = "8.8.0"
 androidx-activity-compose = "1.10.0"
 androidx-appcompat = "1.7.0"
 androidx-paging = "3.3.0-alpha02"
-kotlin = "1.9.25"
+kotlin = "2.1.0"
 kotlinx-coroutines = "1.9.0"
 kotlinx-serialization-json = "1.8.0"
 ktor = "2.3.13"