Update kotlin monorepo to v2.2.21

Author: renovate[bot]

gradle/libs.versions.toml

@@ -11,8 +11,8 @@ compose-tooling = "1.8.3"
 hilt = "2.56.2"
 hiltNavigationCompose = "1.2.0"
 junit = "4.13.2"
-kotlin = "2.1.21"
-kotlinSerialization = "2.1.21"
+kotlin = "2.2.21"
+kotlinSerialization = "2.2.21"
 kotlinxCollectionsImmutable = "0.4.0"
 kotlinxCoroutines = "1.10.2"
 kotlinxSerializationCore = "1.8.1"