Update kotlin monorepo to v2.1.21

renovate[bot] · web-flow · commit 6ac5fdbe0d75 · 2025-05-13T10:59:31.000Z
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 # Kotlin
-kotlin = "2.0.20"
+kotlin = "2.1.21"
 coroutines = "1.9.0"
 
 # Serialization
