Merge pull request #373 from fraktalio/renovate/kotlin

Update dependency org.jetbrains.kotlin.multiplatform to v2.2.21

Author: idugalic

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ coroutines = "1.10.2"
 dokka = "2.1.0"
 kotest = "6.0.4"
 ksp = "2.3.0"
-kotlin = "2.2.20"
+kotlin = "2.2.21"
 arrow = "2.1.2"
 
 [libraries]